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
A MARK PRECIOUS METALS INC COM 00181T107 239 20,087 SH   SOLE   20,087 0 0
AROTECH CORP COM NEW 042682203 4,178 1,425,953 SH   SOLE   1,425,953 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 6,024 20 SH   SOLE   20 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 4,112 20,470 SH   SOLE   20,470 0 0
BLACK STONE MINERALS L P COM UNIT 09225M101 924 52,375 SH   SOLE   52,375 0 0
BUILD A BEAR WORKSHOP COM 120076104 5,163 846,453 SH   SOLE   846,453 0 0
CARDLYTICS INC COM 14161W105 10,370 626,975 SH   SOLE   626,975 0 0
CARROLS RESTAURANT GROUP INC COM 14574X104 17,804 1,785,744 SH   SOLE   1,785,744 0 0
CHANNELADVISOR CORP COM 159179100 5,868 481,754 SH   SOLE   481,754 0 0
CHERRY HILL MTG INVT CORP COM 164651101 984 57,121 SH   SOLE   57,121 0 0
CRAFT BREW ALLIANCE INC COM 224122101 11,724 838,606 SH   SOLE   838,606 0 0
DESTINATION XL GROUP INC COM 25065K104 12,862 5,249,595 SH   SOLE   5,249,595 0 0
DIGIRAD CORP COM 253827109 2,034 2,231,136 SH   SOLE   2,231,136 0 0
EVERQUOTE INC COM CL A 30041R108 191 25,674 SH   SOLE   25,674 0 0
EXTERRAN CORP COM 30227H106 14,967 888,237 SH   SOLE   888,237 0 0
FRONTDOOR INC COM 35905A109 27,620 802,438 SH   SOLE   802,438 0 0
GREAT ELM CAP GROUP INC COM NEW 39036P209 1,102 259,299 SH   SOLE   259,299 0 0
HANGER INC COM NEW 41043F208 18,874 990,750 SH   SOLE   990,750 0 0
HEALTH INS INNOVATIONS INC COM CL A 42225K106 23,816 888,008 SH   SOLE   888,008 0 0
HERITAGE CRYSTAL CLEAN INC COM 42726M106 5,132 186,960 SH   SOLE   186,960 0 0
HUDSON GLOBAL INC COM 443787106 3,558 2,340,742 SH   SOLE   2,340,742 0 0
I D SYSTEMS INC COM 449489103 15,725 2,651,736 SH   SOLE   2,651,736 0 0
INDEPENDENCE HLDG CO NEW COM NEW 453440307 6,484 183,957 SH   SOLE   183,957 0 0
INNOVATIVE INDL PPTYS INC COM 45781V101 8,316 101,803 SH   SOLE   101,803 0 0
INSEEGO CORP COM 45782B104 9,171 1,942,986 SH   SOLE   1,942,986 0 0
LEE ENTERPRISES INC COM 523768109 8,999 2,727,115 SH   SOLE   2,727,115 0 0
LIMELIGHT NETWORKS INC COM 53261M104 9,049 2,801,596 SH   SOLE   2,801,596 0 0
MANITEX INTL INC COM 563420108 1,309 171,149 SH   SOLE   171,149 0 0
NETWORK 1 TECHNOLOGIES INC COM 64121N109 1,694 651,723 SH   SOLE   651,723 0 0
NORTH AMERN CONSTR GROUP LTD COM 656811106 30,827 2,648,338 SH   SOLE   2,648,338 0 0
NUVECTRA CORP COM 67075N108 7,964 723,349 SH   SOLE   723,349 0 0
PERMA PIPE INTL HLDGS INC COM 714167103 6,146 699,207 SH   SOLE   699,207 0 0
POINTER TELOCATION LTD SHS M7946T104 1,624 103,850 SH   SOLE   103,850 0 0
POPE RES DEL LTD PARTNERSHIP DEPOSITRY RCPT 732857107 966 14,520 SH   SOLE   14,520 0 0
PRGX GLOBAL INC COM NEW 69357C503 5,038 636,099 SH   SOLE   636,099 0 0
REGIONAL MGMT CORP COM 75902K106 9,524 390,000 SH   SOLE   390,000 0 0
RING ENERGY INC COM 76680V108 6,655 1,133,806 SH   SOLE   1,133,806 0 0
RUMBLEON INC CL B 781386206 148 30,000 SH   SOLE   30,000 0 0
SANDRIDGE ENERGY INC COM NEW 80007P869 13,971 1,742,007 SH   SOLE   1,742,007 0 0
SERVICESOURCE INTL INC COM 81763U100 5,779 6,271,939 SH   SOLE   6,271,939 0 0
SKYLINE CHAMPION CORPORATION COM 830830105 6,080 320,000 SH   SOLE   320,000 0 0
SPORTSMANS WHSE HLDGS INC COM 84920Y106 10,568 2,201,757 SH   SOLE   2,201,757 0 0
SPOTIFY TECHNOLOGY S A SHS L8681T102 567 4,084 SH   SOLE   4,084 0 0
TELARIA INC COM 879181105 11,425 1,802,085 SH   SOLE   1,802,085 0 0
THESTREET INC COM 88368Q103 13,131 5,635,701 SH   SOLE   5,635,701 0 0
U.S. AUTO PARTS NETWORK INC COM 90343C100 1,187 1,175,565 SH   SOLE   1,175,565 0 0
VERACYTE INC COM 92337F107 31,716 1,267,625 SH   SOLE   1,267,625 0 0
VIAD CORP COM NEW 92552R406 4,504 80,009 SH   SOLE   80,009 0 0
VIRTUS INVT PARTNERS INC PFD CV SER D 92828Q208 941 10,570 SH   SOLE   10,570 0 0
WEYERHAEUSER CO COM 962166104 4,323 164,120 SH   SOLE   164,120 0 0