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 177 14,990 SH   SOLE   14,990 0 0
AROTECH CORP COM NEW 042682203 4,325 1,650,587 SH   SOLE   1,650,587 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 6,120 20 SH   SOLE   20 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 4,180 20,470 SH   SOLE   20,470 0 0
BLACK STONE MINERALS L P COM UNIT 09225M101 811 52,375 SH   SOLE   52,375 0 0
BUILD A BEAR WORKSHOP COM 120076104 3,383 856,453 SH   SOLE   856,453 0 0
CARDLYTICS INC COM 14161W105 5,491 507,018 SH   SOLE   507,018 0 0
CARROLS RESTAURANT GROUP INC COM 14574X104 13,626 1,384,745 SH   SOLE   1,384,745 0 0
CAVCO INDS INC DEL COM 149568107 6,961 53,390 SH   SOLE   53,390 0 0
CHANNELADVISOR CORP COM 159179100 7,096 625,156 SH   SOLE   625,156 0 0
CHERRY HILL MTG INVT CORP COM 164651101 1,002 57,121 SH   SOLE   57,121 0 0
CRAFT BREW ALLIANCE INC COM 224122101 11,907 832,102 SH   SOLE   832,102 0 0
DEL TACO RESTAURANTS INC *W EXP 06/30/202 245496112 91 81,820 SH   SOLE   81,820 0 0
DEL TACO RESTAURANTS INC COM 245496104 2,497 249,902 SH   SOLE   249,902 0 0
DESTINATION XL GROUP INC COM 25065K104 11,220 5,170,722 SH   SOLE   5,170,722 0 0
DIGIRAD CORP COM 253827109 1,272 2,231,136 SH   SOLE   2,231,136 0 0
DOUGLAS DYNAMICS INC COM 25960R105 1,851 51,582 SH   SOLE   51,582 0 0
EHEALTH INC COM 28238P109 15,093 392,843 SH   SOLE   392,843 0 0
EXTERRAN CORP COM 30227H106 14,504 819,462 SH   SOLE   819,462 0 0
GREAT ELM CAP GROUP INC COM NEW 39036P209 876 259,299 SH   SOLE   259,299 0 0
GTT COMMUNICATIONS INC COM 362393100 82 3,457 SH   SOLE   3,457 0 0
HANGER INC COM NEW 41043F208 18,775 990,750 SH   SOLE   990,750 0 0
HEALTH INS INNOVATIONS INC COM CL A 42225K106 20,792 777,836 SH   SOLE   777,836 0 0
HERITAGE CRYSTAL CLEAN INC COM 42726M106 11,326 492,207 SH   SOLE   492,207 0 0
HORIZON GLOBAL CORP NOTE 2.750% 7/0 44052WAA2 919 1,750,000 PRN   SOLE   1,750,000 0 0
HUDSON GLOBAL INC COM 443787106 3,160 2,340,742 SH   SOLE   2,340,742 0 0
HUTTIG BLDG PRODS INC COM 448451104 1,069 594,165 SH   SOLE   594,165 0 0
I D SYSTEMS INC COM 449489103 12,771 2,284,663 SH   SOLE   2,284,663 0 0
INDEPENDENCE HLDG CO NEW COM NEW 453440307 5,171 146,906 SH   SOLE   146,906 0 0
INNOVATIVE INDL PPTYS INC COM 45781V101 5,149 113,436 SH   SOLE   113,436 0 0
INSEEGO CORP COM 45782B104 6,477 1,560,772 SH   SOLE   1,560,772 0 0
LEE ENTERPRISES INC COM 523768109 5,094 2,414,129 SH   SOLE   2,414,129 0 0
LIMELIGHT NETWORKS INC COM 53261M104 1,174 501,845 SH   SOLE   501,845 0 0
MANITEX INTL INC COM 563420108 892 157,047 SH   SOLE   157,047 0 0
NETWORK 1 TECHNOLOGIES INC COM 64121N109 1,453 651,723 SH   SOLE   651,723 0 0
NORTH AMERICAN CONST COM 656811106 26,955 3,028,631 SH   SOLE   3,028,631 0 0
NUVECTRA CORP COM 67075N108 415 25,375 SH   SOLE   25,375 0 0
PERMA PIPE INTL HLDGS INC COM 714167103 6,118 699,207 SH   SOLE   699,207 0 0
PGT INNOVATIONS INC COM 69336V101 2,441 153,976 SH   SOLE   153,976 0 0
POINTS INTL LTD COM NEW 730843208 50 5,003 SH   SOLE   5,003 0 0
POPE RES DEL LTD PARTNERSHIP DEPOSITRY RCPT 732857107 951 14,520 SH   SOLE   14,520 0 0
PRGX GLOBAL INC COM NEW 69357C503 6,061 639,989 SH   SOLE   639,989 0 0
REGIONAL MGMT CORP COM 75902K106 9,463 393,455 SH   SOLE   393,455 0 0
RING ENERGY INC COM 76680V108 15,442 3,039,848 SH   SOLE   3,039,848 0 0
ROKU INC COM CL A 77543R102 3,092 100,925 SH   SOLE   100,925 0 0
RUMBLEON INC CL B 781386206 161 30,000 SH   SOLE   30,000 0 0
SANDRIDGE ENERGY INC COM NEW 80007P869 11,184 1,469,667 SH   SOLE   1,469,667 0 0
SERVICESOURCE INTL INC COM 81763U100 5,257 4,867,584 SH   SOLE   4,867,584 0 0
SIENTRA INC COM 82621J105 518 40,793 SH   SOLE   40,793 0 0
SPARTON CORP COM 847235108 4,785 263,055 SH   SOLE   263,055 0 0
SPORTSMANS WHSE HLDGS INC COM 84920Y106 9,644 2,201,757 SH   SOLE   2,201,757 0 0
SPOTIFY TECHNOLOGY S A SHS L8681T102 464 4,084 SH   SOLE   4,084 0 0
STEEL PARTNERS HLDGS L P LTD PRTRSHIP U 85814R107 734 54,804 SH   SOLE   54,804 0 0
TELARIA INC COM 879181105 6,516 2,386,757 SH   SOLE   2,386,757 0 0
THESTREET INC COM 88368Q103 11,409 5,620,407 SH   SOLE   5,620,407 0 0
U.S. AUTO PARTS NETWORK INC COM 90343C100 1,070 1,175,565 SH   SOLE   1,175,565 0 0
VERACYTE INC COM 92337F107 21,341 1,696,386 SH   SOLE   1,696,386 0 0
VIAD CORP COM NEW 92552R406 3,485 69,576 SH   SOLE   69,576 0 0
VIRTUS INVT PARTNERS INC PFD CV SER D 92828Q208 802 10,570 SH   SOLE   10,570 0 0
WEYERHAEUSER CO COM 962166104 3,063 140,100 SH   SOLE   140,100 0 0