The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Acacia Research Corp. COMMON 003881307 15,380 3,584,986 SH   SOLE 0 3,584,986 0 0
Accenture plc COMMON G1151C101 3,189 30,512 SH   SOLE 0 30,512 0 0
AFLAC Inc. COMMON 001055102 126,445 2,110,939 SH   SOLE 0 2,065,794 0 45,145
American Electric Technologies, Inc. COMMON 025576109 3,359 1,599,491 SH   SOLE 0 1,047,399 0 552,092
American Express Co. COMMON 025816109 12,895 185,409 SH   SOLE 0 185,409 0 0
Anixter Intl Inc. COMMON 035290105 194,863 3,226,735 SH   SOLE 0 3,054,688 0 172,047
Ansys, Inc. COMMON 03662Q105 9,600 103,788 SH   SOLE 0 103,788 0 0
Apache Corp. COMMON 037411105 2,978 66,975 SH   SOLE 0 66,975 0 0
Apollo Education Group, Inc. COMMON 037604105 965 125,860 SH   SOLE 0 125,860 0 0
Astro-Med, Inc. COMMON 04638F108 15,322 1,060,361 SH   SOLE 0 700,786 0 359,575
AXT Inc. COMMON 00246W103 8,606 3,470,140 SH   SOLE 0 2,292,040 0 1,178,100
Baidu, Inc. ADR ADR 056752108 152,555 806,996 SH   SOLE 0 762,708 0 44,288
Ballantyne Strong, Inc. COMMON 058516105 8,686 1,884,258 SH   SOLE 0 1,235,467 0 648,791
Banco Santander-Chile ADR ADR 05965X109 19,115 1,083,634 SH   SOLE 0 979,715 0 103,919
Bank of New York Mellon Corp. COMMON 064058100 4,424 107,315 SH   SOLE 0 107,315 0 0
Barrick Gold Corp. COMMON 067901108 3,315 449,223 SH   SOLE 0 449,223 0 0
Baxter International Inc. COMMON 071813109 2,426 63,595 SH   SOLE 0 63,595 0 0
Bed Bath & Beyond Inc. COMMON 075896100 4,489 93,030 SH   SOLE 0 93,030 0 0
Berkshire Hathaway Inc. COMMON 084670702 18,406 139,394 SH   SOLE 0 139,394 0 0
Bio-Rad Laboratories, Inc. COMMON 090572207 139,485 1,005,947 SH   SOLE 0 938,254 0 67,693
Blackstone Group L.P. COMMON 09253U108 33,819 1,156,592 SH   SOLE 0 1,130,867 0 25,725
Blount Intl, Inc. COMMON 095180105 73,936 7,536,792 SH   SOLE 0 6,690,207 0 846,585
Brady Corp. COMMON 104674106 113,910 4,956,917 SH   SOLE 0 4,553,062 0 403,855
Brink's Co. COMMON 109696104 37,786 1,309,293 SH   SOLE 0 1,143,868 0 165,425
Bristow Group Inc. COMMON 110394103 204,759 7,905,737 SH   SOLE 0 7,462,915 0 442,822
British American Tobacco plc ADR ADR 110448107 7,536 68,232 SH   SOLE 0 68,232 0 0
Broadwind Energy, Inc. COMMON 11161T207 566 272,233 SH   SOLE 0 272,233 0 0
Brooks Automation, Inc. COMMON 114340102 2,827 264,700 SH   SOLE 0 264,700 0 0
BT Group plc ADR ADR 05577E101 218 6,308 SH   SOLE 0 6,308 0 0
Canon Inc. ADR ADR 138006309 521 17,279 SH   SOLE 0 17,279 0 0
Capital Southwest Corp. COMMON 140501107 1,235 89,000 SH   SOLE 0 89,000 0 0
CBRE Group, Inc. COMMON 12504L109 98,836 2,858,175 SH   SOLE 0 2,715,046 0 143,129
CBS Corp. COMMON 124857202 88,154 1,870,445 SH   SOLE 0 1,829,468 0 40,977
Century Casinos, Inc. COMMON 156492100 25,806 3,316,958 SH   SOLE 0 2,447,099 0 869,859
Charles River Laboratories Intl, Inc. COMMON 159864107 140,111 1,742,890 SH   SOLE 0 1,589,061 0 153,829
Chesapeake Energy Corp. COMMON 165167107 1,023 227,230 SH   SOLE 0 227,230 0 0
China Mobile Ltd. ADR ADR 16941M109 31,465 558,585 SH   SOLE 0 558,585 0 0
CME Group Inc. COMMON 12572Q105 3,074 33,926 SH   SOLE 0 33,926 0 0
Coach, Inc. COMMON 189754104 37,590 1,148,491 SH   SOLE 0 1,130,401 0 18,090
Contango Oil & Gas Co. COMMON 21075N204 30,405 4,743,352 SH   SOLE 0 4,238,211 0 505,141
Core Laboratories N.V. COMMON N22717107 30,681 282,149 SH   SOLE 0 282,149 0 0
Costco Wholesale Corp. COMMON 22160K105 2,271 14,063 SH   SOLE 0 14,063 0 0
Cowen Group, Inc. COMMON 223622101 28,194 7,361,233 SH   SOLE 0 5,305,111 0 2,056,122
CPI Aerostructures, Inc. COMMON 125919308 13,745 1,412,625 SH   SOLE 0 932,473 0 480,152
Credicorp Ltd. COMMON G2519Y108 4,235 43,518 SH   SOLE 0 34,130 0 9,388
Crown Crafts, Inc. COMMON 228309100 6,213 731,826 SH   SOLE 0 478,592 0 253,234
CSW Industrials, Inc. COMMON 126402106 1,160 30,800 SH   SOLE 0 30,800 0 0
Cullen/Frost Bankers, Inc. COMMON 229899109 996 16,597 SH   SOLE 0 16,597 0 0
Cumberland Pharmaceuticals, Inc. COMMON 230770109 7,452 1,416,660 SH   SOLE 0 938,236 0 478,424
DeVry Education Group Inc. COMMON 251893103 5,741 226,826 SH   SOLE 0 196,141 0 30,685
Discover Financial Services COMMON 254709108 476 8,868 SH   SOLE 0 8,868 0 0
Dover Motorsports, Inc. COMMON 260174107 7,312 3,137,997 SH   SOLE 0 2,072,121 0 1,065,876
Dun & Bradstreet Corp. COMMON 26483E100 92,027 885,469 SH   SOLE 0 815,512 0 69,957
Edgewater Technology Inc. COMMON 280358102 14,637 1,827,347 SH   SOLE 0 1,205,169 0 622,178
Electro Rent Corp. COMMON 285218103 8,477 921,414 SH   SOLE 0 691,408 0 230,006
Electro Scientific Industries, Inc. COMMON 285229100 1,345 259,100 SH   SOLE 0 259,100 0 0
EMC Corp. COMMON 268648102 5,484 213,564 SH   SOLE 0 213,564 0 0
EOG Resources Inc. COMMON 26875P101 2,983 42,132 SH   SOLE 0 42,132 0 0
Erickson Inc. COMMON 29482P100 4,457 2,174,086 SH   SOLE 0 1,579,427 0 594,659
Exxon Mobil Corp. COMMON 30231G102 6,285 80,635 SH   SOLE 0 80,635 0 0
Fair Isaac Corp. COMMON 303250104 42,273 448,858 SH   SOLE 0 399,031 0 49,827
Fastenal Co. COMMON 311900104 1,538 37,682 SH   SOLE 0 37,682 0 0
First American Financial Corp. COMMON 31847R102 220,575 6,144,140 SH   SOLE 0 5,798,553 0 345,587
Franklin Resources, Inc. COMMON 354613101 74,603 2,026,161 SH   SOLE 0 1,985,436 0 40,725
Furmanite Corp. COMMON 361086101 10,522 1,579,929 SH   SOLE 0 1,151,953 0 427,976
Gaiam, Inc. COMMON 36268Q103 2,305 369,400 SH   SOLE 0 369,400 0 0
Gannett Co. Inc. COMMON 36473H104 30,248 1,856,838 SH   SOLE 0 1,708,827 0 148,011
Gilead Sciences, Inc. COMMON 375558103 132,913 1,313,500 SH   SOLE 0 1,313,500 0 0
GlaxoSmithKline plc ADR ADR 37733W105 59,596 1,476,976 SH   SOLE 0 1,344,921 0 132,055
Goldman Sachs Group, Inc. COMMON 38141G104 5,857 32,495 SH   SOLE 0 32,495 0 0
Graham Holdings Co. COMMON 384637104 11,521 23,756 SH   SOLE 0 22,359 0 1,397
Gulf Island Fabrication, Inc. COMMON 402307102 2,416 231,000 SH   SOLE 0 231,000 0 0
Hanger, Inc. COMMON 41043F208 3,943 239,690 SH   SOLE 0 239,690 0 0
Hardinge Inc. COMMON 412324303 6,494 696,780 SH   SOLE 0 450,202 0 246,578
Harman Intl Industries, Inc. COMMON 413086109 68,406 726,096 SH   SOLE 0 726,096 0 0
Harris & Harris Group, Inc. COMMON 413833104 7,719 3,508,644 SH   SOLE 0 2,311,993 0 1,196,651
Horace Mann Educators Corp. COMMON 440327104 13,566 408,859 SH   SOLE 0 353,979 0 54,880
HSBC Holdings plc ADR ADR 404280406 2,256 57,148 SH   SOLE 0 57,148 0 0
IDEX Corp. COMMON 45167R104 25,048 326,952 SH   SOLE 0 264,819 0 62,133
Illinois Tool Works Inc. COMMON 452308109 89,175 962,183 SH   SOLE 0 942,785 0 19,398
Imation Corp. COMMON 45245A107 9,909 7,232,839 SH   SOLE 0 5,341,011 0 1,891,828
Interface, Inc. COMMON 458665304 18,479 965,447 SH   SOLE 0 842,317 0 123,130
International Business Machines Corp. COMMON 459200101 7,418 53,900 SH   SOLE 0 53,900 0 0
International Speedway Corp. COMMON 460335201 179,244 5,315,653 SH   SOLE 0 5,009,751 0 305,902
Interpublic Group of Cos., Inc. COMMON 460690100 215,594 9,260,912 SH   SOLE 0 8,870,709 0 390,203
iShares MSCI Switzerland Capped ETF ETF 464286749 1,763 56,789 SH   SOLE 0 56,789 0 0
iShares MSCI United Kingdom Index ETF ETF 46434V548 2,771 171,715 SH   SOLE 0 138,213 0 33,502
IShares Russell 2000 Value ETF 464287630 2,887 31,406 SH   SOLE 0 31,406 0 0
iShares Russell Microcap Index (ETF) ETF 464288869 1,312 18,192 SH   SOLE 0 18,192 0 0
IShares Russell Midcap Value ETF 464287473 340 4,954 SH   SOLE 0 4,954 0 0
Itau Unibanco Holding SA ADR ADR 465562106 11,213 1,722,429 SH   SOLE 0 1,558,767 0 163,662
J.M. Smucker Co. COMMON 832696405 218,769 1,773,704 SH   SOLE 0 1,700,343 0 73,361
Janus Capital Group Inc. COMMON 47102X105 108,769 7,719,585 SH   SOLE 0 7,075,913 0 643,672
JLL COMMON 48020Q107 181,439 1,134,989 SH   SOLE 0 1,061,819 0 73,170
Johnson & Johnson COMMON 478160104 85,429 831,664 SH   SOLE 0 831,664 0 0
JPMorgan Chase & Co. COMMON 46625H100 8,705 131,837 SH   SOLE 0 131,837 0 0
Kennametal Inc. COMMON 489170100 203,568 10,602,518 SH   SOLE 0 10,008,883 0 593,635
Kindred Biosciences, Inc. COMMON 494577109 8,494 2,498,179 SH   SOLE 0 1,819,676 0 678,503
KKR & Co. L.P. COMMON 48248M102 128,906 8,268,522 SH   SOLE 0 8,211,742 0 56,780
Laboratory Corp. of America Holdings COMMON 50540R409 207,141 1,675,352 SH   SOLE 0 1,607,453 0 67,899
Landec Corp. COMMON 514766104 15,575 1,316,527 SH   SOLE 0 944,710 0 371,817
Lazard Ltd COMMON G54050102 249,359 5,540,072 SH   SOLE 0 5,238,480 0 301,592
Leapfrog Enterprises, Inc. COMMON 52186N106 655 923,142 SH   SOLE 0 923,142 0 0
Littelfuse, Inc. COMMON 537008104 88,737 829,241 SH   SOLE 0 770,361 0 58,880
Lockheed Martin Corp. COMMON 539830109 8,659 39,877 SH   SOLE 0 39,877 0 0
Lumber Liquidators Holdings, Inc. COMMON 55003T107 9,653 556,035 SH   SOLE 0 483,660 0 72,375
Manning & Napier, Inc. COMMON 56382Q102 13,721 1,616,120 SH   SOLE 0 1,396,355 0 219,765
Markit Ltd COMMON G58249106 6,819 226,024 SH   SOLE 0 181,076 0 44,948
Mattel, Inc. COMMON 577081102 159,308 5,863,365 SH   SOLE 0 5,620,135 0 243,230
Matthews Intl Corp. COMMON 577128101 16,048 300,251 SH   SOLE 0 260,206 0 40,045
MB Financial, Inc. COMMON 55264U108 929 28,700 SH   SOLE 0 28,700 0 0
McCormick & Co., Inc. COMMON 579780206 3,521 41,151 SH   SOLE 0 21,921 0 19,230
Media General Inc. COMMON 58441K100 43,674 2,704,268 SH   SOLE 0 2,522,374 0 181,894
Meredith Corp. COMMON 589433101 94,298 2,180,306 SH   SOLE 0 1,997,958 0 182,348
Microsoft Corp. COMMON 594918104 137,331 2,475,332 SH   SOLE 0 2,475,332 0 0
Mitcham Industries, Inc. COMMON 606501104 8,696 2,889,193 SH   SOLE 0 2,280,400 0 608,793
Mohawk Industries, Inc. COMMON 608190104 70,478 372,132 SH   SOLE 0 348,620 0 23,512
Morgan Stanley COMMON 617446448 5,010 157,500 SH   SOLE 0 157,500 0 0
Mosaic Co. COMMON 61945C103 5,549 201,130 SH   SOLE 0 201,130 0 0
MSG Networks, Inc. COMMON 553573106 69,794 3,355,502 SH   SOLE 0 3,098,947 0 256,555
MTS Systems Corp. COMMON 553777103 99,840 1,574,515 SH   SOLE 0 1,439,636 0 134,879
National Oilwell Varco COMMON 637071101 56,131 1,676,053 SH   SOLE 0 1,643,493 0 32,560
Newell Rubbermaid Inc. COMMON 651229106 58,388 1,324,601 SH   SOLE 0 1,274,178 0 50,423
Nokia Corp. ADR ADR 654902204 56,143 7,997,646 SH   SOLE 0 7,997,646 0 0
Nordstrom, Inc. COMMON 655664100 59,629 1,197,130 SH   SOLE 0 1,148,578 0 48,552
Northern Trust Corp. COMMON 665859104 115,531 1,602,589 SH   SOLE 0 1,574,424 0 28,165
Novartis AG ADR ADR 66987V109 969 11,267 SH   SOLE 0 9,840 0 1,427
Occidental Petroleum Corp. COMMON 674599105 5,738 84,869 SH   SOLE 0 84,869 0 0
Omnicom Group Inc. COMMON 681919106 109,976 1,453,560 SH   SOLE 0 1,423,214 0 30,346
Oracle Corp. COMMON 68389X105 7,937 217,260 SH   SOLE 0 217,260 0 0
ORBCOMM, Inc. COMMON 68555P100 34,992 4,833,159 SH   SOLE 0 3,508,601 0 1,324,558
Orion Energy Systems, Inc. COMMON 686275108 9,335 4,302,052 SH   SOLE 0 3,119,825 0 1,182,227
PCTEL, Inc. COMMON 69325Q105 13,267 2,915,815 SH   SOLE 0 2,111,309 0 804,506
Pendrell Corp. COMMON 70686R104 12,755 25,453,220 SH   SOLE 0 18,317,213 0 7,136,007
Perceptron, Inc. COMMON 71361F100 12,555 1,611,673 SH   SOLE 0 1,059,904 0 551,769
Philip Morris Intl, Inc. COMMON 718172109 71,468 812,963 SH   SOLE 0 812,963 0 0
Pier 1 Imports, Inc. COMMON 720279108 2,048 402,285 SH   SOLE 0 402,285 0 0
Praxair, Inc. COMMON 74005P104 7,706 75,252 SH   SOLE 0 75,252 0 0
PrivateBancorp, Inc. COMMON 742962103 19,923 485,684 SH   SOLE 0 424,539 0 61,145
Progressive Corp. COMMON 743315103 44,698 1,405,610 SH   SOLE 0 1,372,070 0 33,540
QLogic Corp. COMMON 747277101 14,989 1,228,640 SH   SOLE 0 1,228,640 0 0
Quest Diagnostics Inc. COMMON 74834L100 49,318 693,253 SH   SOLE 0 693,253 0 0
Qumu Corp. COMMON 749063103 4,822 1,779,492 SH   SOLE 0 1,168,168 0 611,324
RealNetworks, Inc. COMMON 75605L708 22,809 5,366,745 SH   SOLE 0 3,925,387 0 1,441,358
Rentech, Inc. COMMON 760112201 11,645 3,308,289 SH   SOLE 0 2,400,137 0 908,152
Richardson Electronics, Ltd. COMMON 763165107 6,083 1,072,760 SH   SOLE 0 708,260 0 364,500
Rockwell Collins, Inc. COMMON 774341101 8,033 87,033 SH   SOLE 0 87,033 0 0
Rosetta Stone Inc. COMMON 777780107 27,682 4,137,810 SH   SOLE 0 3,234,259 0 903,551
Royal Caribbean Cruises Ltd. COMMON V7780T103 80,957 799,888 SH   SOLE 0 744,422 0 55,466
Royal Dutch Shell plc ADR ADR 780259206 7,798 170,310 SH   SOLE 0 133,115 0 37,195
Rubicon Technology, Inc. COMMON 78112T107 5,435 4,767,365 SH   SOLE 0 3,415,283 0 1,352,082
Ruckus Wireless, Inc. COMMON 781220108 23,384 2,183,372 SH   SOLE 0 2,183,372 0 0
Ryanair Holdings plc ADR ADR 783513203 9,454 109,344 SH   SOLE 0 95,048 0 14,296
Santander Mexico Financial Group ADR ADR 40053C105 7,229 833,761 SH   SOLE 0 701,788 0 131,973
Schlumberger Ltd. COMMON 806857108 19,387 277,953 SH   SOLE 0 277,953 0 0
SeaChange Intl, Inc. COMMON 811699107 18,615 2,761,904 SH   SOLE 0 2,019,282 0 742,622
Simpson Manufacturing Co., Inc. COMMON 829073105 102,922 3,013,810 SH   SOLE 0 2,761,697 0 252,113
Skullcandy, Inc. COMMON 83083J104 1,202 254,089 SH   SOLE 0 192,534 0 61,555
Snap-On Inc. COMMON 833034101 135,542 790,654 SH   SOLE 0 756,562 0 34,092
Sotheby's COMMON 835898107 31,956 1,240,509 SH   SOLE 0 1,124,367 0 116,142
Southern Co. COMMON 842587107 77,914 1,665,185 SH   SOLE 0 1,665,185 0 0
Spartan Motors Inc. COMMON 846819100 11,587 3,725,797 SH   SOLE 0 2,698,561 0 1,027,236
St. Jude Medical, Inc. COMMON 790849103 82,379 1,333,643 SH   SOLE 0 1,306,513 0 27,130
Stanley Black & Decker, Inc. COMMON 854502101 143,681 1,346,214 SH   SOLE 0 1,318,826 0 27,388
Stanley Furniture Co. COMMON 854305208 7,400 2,652,341 SH   SOLE 0 1,749,401 0 902,940
Superior Industries Intl, Inc. COMMON 868168105 2,382 129,300 SH   SOLE 0 129,300 0 0
T. Rowe Price Group, Inc. COMMON 74144T108 41,347 578,356 SH   SOLE 0 566,837 0 11,519
Team, Inc. COMMON 878155100 37,683 1,179,073 SH   SOLE 0 1,028,198 0 150,875
TEGNA, Inc. COMMON 87901J105 170,335 6,674,555 SH   SOLE 0 6,227,166 0 447,389
Telefonica Brasil SA ADR ADR 87936R106 254 28,101 SH   SOLE 0 8,093 0 20,008
Telenav Inc. COMMON 879455103 11,243 1,975,906 SH   SOLE 0 1,442,531 0 533,375
The Madison Square Garden Co COMMON 55825T103 93,025 574,935 SH   SOLE 0 532,927 0 42,008
The PNC Financial Service Group, Inc. COMMON 693475105 3,023 31,719 SH   SOLE 0 31,719 0 0
Thermo Fisher Scientific Inc. COMMON 883556102 86,668 610,985 SH   SOLE 0 609,040 0 1,945
Tiffany & Co. COMMON 886547108 29,677 389,006 SH   SOLE 0 380,866 0 8,140
Towers Watson COMMON 891894107 40,623 316,232 SH   SOLE 0 309,395 0 6,837
Toyota Motor Corp. ADR ADR 892331307 359 2,914 SH   SOLE 0 2,914 0 0
Tumi Holdings Inc. COMMON 89969Q104 33,105 1,990,663 SH   SOLE 0 1,990,663 0 0
Turkcell Iletisim Hizmetleri AS ADR ADR 900111204 5,075 597,725 SH   SOLE 0 528,227 0 69,498
U.S. Bancorp COMMON 902973304 31,347 734,637 SH   SOLE 0 734,637 0 0
U.S. Silica Holdings, Inc. COMMON 90346E103 76,015 4,058,476 SH   SOLE 0 3,837,381 0 221,095
Vanguard FTSE Emerging Markets ETF ETF 922042858 1,129 34,506 SH   SOLE 0 10,378 0 24,128
Vanguard MSCI EAFE ETF ETF 921943858 22,166 603,652 SH   SOLE 0 603,652 0 0
Vanguard S&P 500 ETF ETF 922908363 30,878 165,187 SH   SOLE 0 165,187 0 0
Vanguard Total World Stock Index Fd (ETF) ETF 922042742 3,828 66,437 SH   SOLE 0 66,437 0 0
Verizon Communications Inc. COMMON 92343V104 71,400 1,544,785 SH   SOLE 0 1,544,785 0 0
Versar Inc. COMMON 925297103 5,086 1,646,082 SH   SOLE 0 1,087,734 0 558,348
Viacom, Inc. COMMON 92553P201 80,551 1,957,027 SH   SOLE 0 1,913,912 0 43,115
Vical Inc. COMMON 925602104 2,850 6,952,175 SH   SOLE 0 5,047,525 0 1,904,650
W.W. Grainger, Inc. COMMON 384802104 1,298 6,409 SH   SOLE 0 6,409 0 0
Wal-Mart Stores, Inc. COMMON 931142103 14,354 234,168 SH   SOLE 0 234,168 0 0
Western Union Co. COMMON 959802109 162,078 9,049,561 SH   SOLE 0 8,752,431 0 297,130
Wisconsin Energy Corp. COMMON 92939U106 2,829 55,138 SH   SOLE 0 55,138 0 0
XO Group Inc. COMMON 983772104 18,697 1,164,220 SH   SOLE 0 845,871 0 318,349
Zebra Technologies Corp. COMMON 989207105 67,889 974,716 SH   SOLE 0 904,741 0 69,975
Zimmer Biomet Holdings, Inc. COMMON 98956P102 137,008 1,335,494 SH   SOLE 0 1,307,759 0 27,735