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
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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
180 Degree Capital Corp. COMMON 68235B109 9,674 4,913,205 SH   SOLE 0 4,746,005 0 167,200
Acacia Communications, Inc. COMMON 00401C108 2,098 44,489 SH   SOLE 0 23,306 0 21,183
Acacia Research Corp. COMMON 003881307 7,190 2,428,943 SH   SOLE 0 980,175 0 1,448,768
Adtalem Global Education, Inc. COMMON 00737L103 42,277 938,436 SH   SOLE 0 896,036 0 42,400
Affiliated Managers Group, Inc. COMMON 008252108 42,159 457,553 SH   SOLE 0 444,353 0 13,200
Aflac, Inc. COMMON 001055102 88,313 1,611,250 SH   SOLE 0 1,601,600 0 9,650
Alithya Group Inc. CL A SUB VTG 01643B106 8,498 3,243,611 SH   SOLE 0 3,177,308 0 66,303
Amdocs Ltd. COMMON G02602103 60,671 977,154 SH   SOLE 0 451,469 0 525,685
Anixter Intl, Inc. COMMON 035290105 45,593 763,582 SH   SOLE 0 712,682 0 50,900
Apache Corp. COMMON 037411105 3,824 132,011 SH   SOLE 0 132,011 0 0
Aspen Aerogels Inc. COMMON 04523Y105 4,847 679,817 SH   SOLE 0 659,317 0 20,500
AstroNova, Inc. COMMON 04638F108 5,889 227,910 SH   SOLE 0 223,410 0 4,500
AXT Inc. COMMON 00246W103 376 94,896 SH   SOLE 0 65,496 0 29,400
Baidu, Inc. ADR ADR 056752108 193,798 1,651,311 SH   SOLE 0 1,040,746 0 610,565
Ballantyne Strong, Inc. COMMON 058516105 11,592 3,588,813 SH   SOLE 0 3,479,513 0 109,300
Banco Santander Mexico SA ADR ADR 05969B103 12,949 1,692,701 SH   SOLE 0 884,472 0 808,229
Banco Santander-Chile ADR ADR 05965X109 20,338 679,761 SH   SOLE 0 365,917 0 313,844
Bank of New York Mellon Corp. COMMON 064058100 4,416 100,014 SH   SOLE 0 100,014 0 0
Berkshire Hathaway Inc. COMMON 084670702 121,536 570,136 SH   SOLE 0 260,234 0 309,902
Bio-Rad Laboratories, Inc. COMMON 090572207 72,308 231,318 SH   SOLE 0 209,518 0 21,800
Blackstone Group Inc COMMON 09260D107 34,524 777,213 SH   SOLE 0 774,213 0 3,000
BOK Financial Corp. COMMON 05561Q201 72,404 959,244 SH   SOLE 0 917,044 0 42,200
BorgWarner, Inc. COMMON 099724106 82,451 1,964,059 SH   SOLE 0 1,954,159 0 9,900
Brady Corp. COMMON 104674106 54,572 1,106,482 SH   SOLE 0 986,127 0 120,355
Brink's Co. COMMON 109696104 38,024 468,396 SH   SOLE 0 374,996 0 93,400
Capital Southwest Corp. COMMON 140501107 12,596 601,256 SH   SOLE 0 588,756 0 12,500
Cardinal Health, Inc. COMMON 14149Y108 40,523 860,367 SH   SOLE 0 855,567 0 4,800
CarMax Inc. COMMON 143130102 36,227 417,221 SH   SOLE 0 414,421 0 2,800
CBRE Group, Inc. COMMON 12504L109 95,081 1,853,428 SH   SOLE 0 1,824,328 0 29,100
CBS Corp. COMMON 124857202 64,228 1,287,125 SH   SOLE 0 1,280,943 0 6,182
Century Casinos, Inc. COMMON 156492100 18,443 1,901,309 SH   SOLE 0 1,854,209 0 47,100
Charles River Laboratories Intl, Inc. COMMON 159864107 115,720 815,507 SH   SOLE 0 756,207 0 59,300
China Mobile Ltd. ADR ADR 16941M109 49,733 1,098,095 SH   SOLE 0 813,279 0 284,816
Core Laboratories N.V. COMMON N22717107 23,473 448,977 SH   SOLE 0 338,659 0 110,318
Costco Wholesale Corp. COMMON 22160K105 24,480 92,635 SH   SOLE 0 43,767 0 48,868
Cowen Inc. COMMON 223622606 17,638 1,026,078 SH   SOLE 0 997,153 0 28,925
CPI Aerostructures, Inc. COMMON 125919308 4,046 481,113 SH   SOLE 0 469,913 0 11,200
Crown Crafts, Inc. COMMON 228309100 371 78,850 SH   SOLE 0 54,250 0 24,600
Cumberland Pharmaceuticals, Inc. COMMON 230770109 8,161 1,281,104 SH   SOLE 0 1,241,854 0 39,250
Digirad Corp. COMMON 253827703 280 40,528 SH   SOLE 0 27,958 0 12,570
EMCORE Corporation COMMON 290846203 7,108 2,160,338 SH   SOLE 0 2,112,338 0 48,000
Enzo Biochem, Inc. COMMON 294100102 1,091 323,615 SH   SOLE 0 313,615 0 10,000
EOG Resources Inc. COMMON 26875P101 65,984 708,282 SH   SOLE 0 466,974 0 241,308
Equity Commonwealth COMMON 294628102 1,172 36,049 SH   SOLE 0 21,823 0 14,226
Expeditors Intl of Washington COMMON 302130109 1,596 21,033 SH   SOLE 0 9,954 0 11,079
Exxon Mobil Corp. COMMON 30231G102 5,086 66,367 SH   SOLE 0 66,367 0 0
Fabrinet SHS G3323L100 1,071 21,556 SH   SOLE 0 12,071 0 9,485
Fair Isaac Corp. COMMON 303250104 37,454 119,272 SH   SOLE 0 104,097 0 15,175
First American Financial Corp. COMMON 31847R102 215,978 4,021,932 SH   SOLE 0 3,834,232 0 187,700
Fluor Corp. COMMON 343412102 55,489 1,647,033 SH   SOLE 0 887,305 0 759,728
Foot Locker, Inc. COMMON 344849104 9,025 215,301 SH   SOLE 0 91,472 0 123,829
Gaia, Inc. COMMON 36269P104 4,332 571,463 SH   SOLE 0 558,463 0 13,000
Generac Holdings Inc. COMMON 368736104 29,860 430,194 SH   SOLE 0 341,894 0 88,300
Gilead Sciences, Inc. COMMON 375558103 168,422 2,492,927 SH   SOLE 0 1,176,934 0 1,315,993
GlassBridge Enterprises Inc. COMMON 377185103 145 468,751 SH   SOLE 0 433,721 0 35,030
GlaxoSmithKline plc ADR ADR 37733W105 59,043 1,475,330 SH   SOLE 0 876,403 0 598,927
Goldman Sachs Group, Inc. COMMON 38141G104 7,303 35,692 SH   SOLE 0 35,692 0 0
Green Brick Partners Inc. COMMON 392709101 12,712 1,529,688 SH   SOLE 0 1,496,988 0 32,700
GSI Technology Inc. COMMON 36241U106 9,051 1,056,120 SH   SOLE 0 1,032,820 0 23,300
Gulf Island Fabrication, Inc. COMMON 402307102 2,605 366,932 SH   SOLE 0 366,932 0 0
Hanger, Inc. COMMON 41043F208 9,549 498,643 SH   SOLE 0 498,643 0 0
Horace Mann Educators Corp. COMMON 440327104 9,005 223,493 SH   SOLE 0 180,753 0 42,740
Houlihan Lokey, Inc. COMMON 441593100 48,498 1,089,117 SH   SOLE 0 1,083,017 0 6,100
Illinois Tool Works, Inc. COMMON 452308109 54,233 359,612 SH   SOLE 0 357,712 0 1,900
IntercontinentalExchange, Inc. COMMON 45866F104 11,368 132,284 SH   SOLE 0 62,581 0 69,703
Interface, Inc. COMMON 458665304 15,515 1,012,066 SH   SOLE 0 811,166 0 200,900
Interpublic Group of Cos., Inc. COMMON 460690100 163,947 7,257,522 SH   SOLE 0 7,157,840 0 99,682
ISHARES MSCI ACWI EX US ETF ETF 464288240 1,075 22,999 SH   SOLE 0 22,999 0 0
iShares Russell 2000V ETF ETF 464287630 5,760 47,800 SH   SOLE 0 47,800 0 0
J.M. Smucker Co. COMMON 832696405 177,130 1,537,719 SH   SOLE 0 1,517,419 0 20,300
Janus Henderson Group plc ORD SHS G4474Y214 41,916 1,958,684 SH   SOLE 0 1,811,414 0 147,270
Jernigan Capital, Inc. COMMON 476405105 4,166 203,226 SH   SOLE 0 203,226 0 0
JLL COMMON 48020Q107 113,506 806,778 SH   SOLE 0 765,758 0 41,020
Johnson & Johnson COMMON 478160104 132,352 950,255 SH   SOLE 0 477,123 0 473,132
Kennametal, Inc. COMMON 489170100 194,736 5,264,557 SH   SOLE 0 5,002,857 0 261,700
Keysight Technologies, Inc. COMMON 49338L103 127,629 1,421,098 SH   SOLE 0 1,401,873 0 19,225
Kindred Biosciences, Inc. COMMON 494577109 23,731 2,848,808 SH   SOLE 0 2,789,408 0 59,400
KKR & Co Inc. COMMON 48251W104 147,882 5,852,060 SH   SOLE 0 5,754,960 0 97,100
Knowles Corporation COMMON 49926D109 73,261 4,001,125 SH   SOLE 0 3,767,625 0 233,500
Korn/Ferry International COMMON 500643200 15,856 395,714 SH   SOLE 0 316,814 0 78,900
Laboratory Corp. of America Holdings COMMON 50540R409 159,209 920,817 SH   SOLE 0 907,617 0 13,200
Lakeland Industries, Inc. COMMON 511795106 11,020 983,899 SH   SOLE 0 976,599 0 7,300
Lazard Ltd. COMMON G54050102 197,365 5,739,016 SH   SOLE 0 5,490,916 0 248,100
Littelfuse, Inc. COMMON 537008104 78,265 442,402 SH   SOLE 0 407,652 0 34,750
Lockheed Martin Corp. COMMON 539830109 8,844 24,327 SH   SOLE 0 24,327 0 0
Masco Corporation COMMON 574599106 46,046 1,173,447 SH   SOLE 0 1,140,847 0 32,600
Mattel, Inc. COMMON 577081102 153,537 13,696,438 SH   SOLE 0 13,202,238 0 494,200
Matthews Intl Corp. COMMON 577128101 7,346 210,776 SH   SOLE 0 167,846 0 42,930
Meredith Corp. COMMON 589433101 75,947 1,379,356 SH   SOLE 0 1,321,656 0 57,700
Methode Electronics Inc. COMMON 591520200 26,043 911,549 SH   SOLE 0 769,449 0 142,100
Microsoft Corp. COMMON 594918104 305,856 2,283,189 SH   SOLE 0 1,078,182 0 1,205,007
Mitcham Industries, Inc. COMMON 606501104 11,746 2,973,689 SH   SOLE 0 2,751,737 0 221,952
Mohawk Industries, Inc. COMMON 608190104 97,024 657,923 SH   SOLE 0 644,623 0 13,300
Molson Coors Brewing Co. COMMON 60871R209 99,521 1,777,160 SH   SOLE 0 1,754,160 0 23,000
Mosaic Co. COMMON 61945C103 7,464 298,199 SH   SOLE 0 298,199 0 0
Movado Group Inc. COMMON 624580106 7,843 290,482 SH   SOLE 0 290,482 0 0
MSG Networks, Inc. COMMON 553573106 156,723 7,556,573 SH   SOLE 0 7,251,273 0 305,300
MTS Systems Corp. COMMON 553777103 85,457 1,460,058 SH   SOLE 0 1,347,418 0 112,640
National Oilwell Varco COMMON 637071101 24,421 1,098,548 SH   SOLE 0 1,093,048 0 5,500
Nielsen Holdings plc COMMON G6518L108 127,861 5,657,563 SH   SOLE 0 5,580,063 0 77,500
Nokia Corp. ADR ADR 654902204 110,761 22,107,902 SH   SOLE 0 15,066,466 0 7,041,436
Nordstrom, Inc. COMMON 655664100 20,964 657,992 SH   SOLE 0 654,292 0 3,700
Northern Trust Corp. COMMON 665859104 161,939 1,799,327 SH   SOLE 0 1,782,927 0 16,400
Novartis AG ADR ADR 66987V109 2,645 28,969 SH   SOLE 0 28,483 0 486
Oaktree Capital Group LLC COMMON 674001201 9,879 199,408 SH   SOLE 0 166,808 0 32,600
Occidental Petroleum Corp. COMMON 674599105 14,742 293,195 SH   SOLE 0 134,208 0 158,987
Omnicom Group, Inc. COMMON 681919106 56,093 684,479 SH   SOLE 0 680,283 0 4,196
Oracle Corp. COMMON 68389X105 11,209 196,757 SH   SOLE 0 196,757 0 0
ORBCOMM, Inc. COMMON 68555P100 14,625 2,017,210 SH   SOLE 0 1,955,010 0 62,200
Orion Energy Systems, Inc. COMMON 686275108 3,201 1,077,734 SH   SOLE 0 1,026,972 0 50,762
PCTEL, Inc. COMMON 69325Q105 4,565 1,030,471 SH   SOLE 0 992,671 0 37,800
Perceptron, Inc. COMMON 71361F100 7,290 1,638,116 SH   SOLE 0 1,596,316 0 41,800
Philip Morris Intl, Inc. COMMON 718172109 276,490 3,520,818 SH   SOLE 0 2,279,312 0 1,241,506
Pioneer Natural Resources Co COMMON 723787107 63,381 411,940 SH   SOLE 0 266,704 0 145,236
Progressive Corp. COMMON 743315103 73,272 916,702 SH   SOLE 0 911,902 0 4,800
Pure Cycle Corp. COMMON 746228303 986 92,990 SH   SOLE 0 64,171 0 28,819
QUALCOMM Inc. COMMON 747525103 18,023 236,924 SH   SOLE 0 111,831 0 125,093
Quest Diagnostics Inc. COMMON 74834L100 40,725 400,014 SH   SOLE 0 178,003 0 222,011
RealNetworks, Inc. COMMON 75605L708 10,754 5,659,928 SH   SOLE 0 5,512,028 0 147,900
Rosetta Stone Inc. COMMON 777780107 11,978 523,530 SH   SOLE 0 430,630 0 92,900
Royal Caribbean Cruises Ltd. COMMON V7780T103 80,166 661,381 SH   SOLE 0 644,481 0 16,900
Rubicon Technology, Inc. COMMON 78112T206 1,206 145,316 SH   SOLE 0 102,613 0 42,703
Safeguard Scientifics Inc. COMMON 786449207 10,443 865,193 SH   SOLE 0 845,193 0 20,000
Schlumberger Ltd. COMMON 806857108 74,900 1,884,751 SH   SOLE 0 890,784 0 993,967
Simpson Manufacturing Co., Inc. COMMON 829073105 112,598 1,694,228 SH   SOLE 0 1,552,228 0 142,000
Snap-on, Inc. COMMON 833034101 139,278 840,846 SH   SOLE 0 829,621 0 11,225
Sotheby's COMMON 835898107 4,857 83,552 SH   SOLE 0 65,652 0 17,900
Southern Co. COMMON 842587107 15,445 279,387 SH   SOLE 0 129,892 0 149,495
Stabilis Energy Inc COMMON 025576109 94 134,891 SH   SOLE 0 92,991 0 41,900
Stanley Black & Decker, Inc. COMMON 854502101 92,686 640,937 SH   SOLE 0 637,585 0 3,352
Stericycle Inc. COMMON 858912108 155,547 3,257,536 SH   SOLE 0 3,116,736 0 140,800
Strattec Security Corp. COMMON 863111100 9,954 413,013 SH   SOLE 0 407,237 0 5,776
Synacor, Inc. COMMON 871561106 5,107 3,273,919 SH   SOLE 0 3,224,519 0 49,400
Tapestry, Inc. COMMON 876030107 32,477 1,023,539 SH   SOLE 0 483,559 0 539,980
Team, Inc. COMMON 878155100 20,497 1,337,917 SH   SOLE 0 1,123,817 0 214,100
TEGNA, Inc. COMMON 87901J105 97,859 6,459,366 SH   SOLE 0 6,135,266 0 324,100
Tejon Ranch Co. COMMON 879080109 7,516 453,054 SH   SOLE 0 444,554 0 8,500
Telenav Inc. COMMON 879455103 10,747 1,343,437 SH   SOLE 0 1,304,537 0 38,900
Tenaris ADR ADR 88031M109 27,000 1,026,210 SH   SOLE 0 852,010 0 174,200
The Madison Square Garden Co. COMMON 55825T103 56,160 200,615 SH   SOLE 0 177,555 0 23,060
The Rubicon Project, Inc. COMMON 78112V102 686 107,858 SH   SOLE 0 74,438 0 33,420
Thermo Fisher Scientific, Inc. COMMON 883556102 44,534 151,641 SH   SOLE 0 150,684 0 957
Tiffany & Co. COMMON 886547108 18,716 199,874 SH   SOLE 0 198,774 0 1,100
U.S. Bancorp COMMON 902973304 19,942 380,580 SH   SOLE 0 180,676 0 199,904
U.S. Silica Holdings, Inc. COMMON 90346E103 153,068 11,967,811 SH   SOLE 0 11,398,711 0 569,100
Vanguard FTSE Developed ETF ETF 921943858 31,021 743,722 SH   SOLE 0 732,714 0 11,008
Vanguard Total World Stock Index Fd (ETF) ETF 922042742 8,471 112,709 SH   SOLE 0 112,709 0 0
Verizon Communications Inc. COMMON 92343V104 82,277 1,440,172 SH   SOLE 0 664,022 0 776,150
Viacom, Inc. COMMON 92553P201 113,376 3,795,661 SH   SOLE 0 3,724,061 0 71,600
Western Union Co. COMMON 959802109 37,299 1,875,269 SH   SOLE 0 1,838,269 0 37,000
Willis Towers Watson plc SHS G96629103 52,226 272,662 SH   SOLE 0 271,119 0 1,543
Zebra Technologies Corp. COMMON 989207105 146,365 698,672 SH   SOLE 0 654,022 0 44,650
Zimmer Biomet Holdings, Inc. COMMON 98956P102 83,151 706,227 SH   SOLE 0 702,627 0 3,600