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
1895 BANCORP OF WIS INC COM 28252W105 19 2,000 SH   SOLE   2,000 0 0
A-MARK PRECIOUS METALS INC COM 00181T107 1,393 41,300 SH   SOLE   41,300 0 0
ALLEGHANY CORP DEL COM 017175100 905 1,739 SH   SOLE   1,739 0 0
AQUA METALS INC COM 03837J101 2,968 3,257,903 SH   SOLE   3,257,903 0 0
ARLO TECHNOLOGIES INC COM 04206A101 13,312 2,530,823 SH   SOLE   2,530,823 0 0
B RILEY PRIN MERGER CORP II CL A 05600U106 2,117 211,460 SH   SOLE   211,460 0 0
BIOTELEMETRY INC COM 090672106 9,325 204,594 SH   SOLE   204,594 0 0
BUILD A BEAR WORKSHOP COM 120076104 3,388 1,355,125 SH   SOLE   1,355,125 0 0
CARGURUS INC COM CL A 141788109 5,147 237,962 SH   SOLE   237,962 0 0
CARPARTS COM INC COM 14427M107 11,787 1,090,379 SH   SOLE   1,090,379 0 0
CONTANGO OIL & GAS CO COM NEW 21075N204 2,520 1,880,506 SH   SOLE   1,880,506 0 0
DIGIRAD CORP COM NEW 253827703 438 175,851 SH   SOLE   175,851 0 0
EHEALTH INC COM 28238P109 4,631 58,624 SH   SOLE   58,624 0 0
EMCORE CORP COM NEW 290846203 9,050 2,784,540 SH   SOLE   2,784,540 0 0
EURONET WORLDWIDE INC COM 298736109 5,696 62,526 SH   SOLE   62,526 0 0
FRANCHISE GROUP INC COM 35180X105 22,714 895,646 SH   SOLE   895,646 0 0
FRONTDOOR INC COM 35905A109 66 1,700 SH   SOLE   1,700 0 0
GREAT ELM CAP GROUP INC COM NEW 39036P209 749 317,230 SH   SOLE   317,230 0 0
HANGER INC COM NEW 41043F208 12,145 767,722 SH   SOLE   767,722 0 0
HERITAGE CRYSTAL CLEAN INC COM 42726M106 11,122 833,117 SH   SOLE   833,117 0 0
IF BANCORP INC COM 44951J105 23 1,500 SH   SOLE   1,500 0 0
INDEPENDENCE HLDG CO NEW COM NEW 453440307 14,628 387,916 SH   SOLE   387,916 0 0
KEWAUNEE SCIENTIFIC CORP COM 492854104 54 6,065 SH   SOLE   6,065 0 0
KURA SUSHI USA INC CL A COM 501270102 2,053 156,734 SH   SOLE   156,734 0 0
LEE ENTERPRISES INC COM 523768109 3,827 4,562,405 SH   SOLE   4,562,405 0 0
LIMELIGHT NETWORKS INC COM 53261M104 1,252 217,431 SH   SOLE   217,431 0 0
LIVE NATION ENTERTAINMENT IN NOTE 2.500% 3/1 538034AQ2 100 90,000 SH   SOLE   90,000 0 0
MAGNITE INC COM 55955D100 18,548 2,670,675 SH   SOLE   2,670,675 0 0
MANITEX INTL INC COM 563420108 1,301 312,029 SH   SOLE   312,029 0 0
NETWORK-1 TECHNOLOGIES INC COM 64121N109 2,009 758,044 SH   SOLE   758,044 0 0
NEURONETICS INC COM 64131A105 1,100 226,423 SH   SOLE   226,423 0 0
NORTH AMERN CONSTR GROUP LTD COM 656811106 17,469 2,683,340 SH   SOLE   2,683,340 0 0
ONESPAN INC COM 68287N100 6,886 328,549 SH   SOLE   328,549 0 0
PERMA PIPE INTL HLDGS INC COM 714167103 2,059 364,361 SH   SOLE   364,361 0 0
POWERFLEET INC COM 73931J109 11,813 2,098,287 SH   SOLE   2,098,287 0 0
PURE STORAGE INC CL A 74624M102 1,254 81,465 SH   SOLE   81,465 0 0
REGIONAL MGMT CORP COM 75902K106 5,946 356,916 SH   SOLE   356,916 0 0
RIMINI STR INC DEL COM 76674Q107 6,293 1,954,248 SH   SOLE   1,954,248 0 0
SANDRIDGE ENERGY INC COM NEW 80007P869 5,062 3,067,845 SH   SOLE   3,067,845 0 0
SPARK NETWORKS SE SPONSORED ADR 846517100 6,186 1,265,049 SH   SOLE   1,265,049 0 0
SPORTSMANS WHSE HLDGS INC COM 84920Y106 14,959 1,045,373 SH   SOLE   1,045,373 0 0
STRATA SKIN SCIENCES INC COM NEW 86272A206 1,389 1,028,838 SH   SOLE   1,028,838 0 0
SWK HLDGS CORP COM NEW 78501P203 8,178 584,108 SH   SOLE   584,108 0 0
VIAD CORP COM NEW 92552R406 12,964 622,359 SH   SOLE   622,359 0 0
WASTE MGMT INC DEL COM 94106L109 643 5,684 SH   SOLE   5,684 0 0
WEYERHAEUSER CO MTN BE COM NEW 962166104 4,858 170,338 SH   SOLE   170,338 0 0
YELP INC CL A 985817105 3,101 154,363 SH   SOLE   154,363 0 0