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
Aehr Test Systems common 00760J108 4,784 1,898,534 SH   SOLE   1,898,534 0 0
Alto Ingredients, Inc. common 021513106 3,363 619,402 SH   SOLE   619,402 0 0
American Public Education, Inc common 02913V103 11,580 325,000 SH   SOLE   325,000 0 0
American Superconductor Corpor common 030111207 16,202 854,534 SH   SOLE   854,534 0 0
Andina Acquisition Corp. III common 604415108 1,027 100,000 SH   SOLE   100,000 0 0
Aqua Metals, Inc. common 03837J101 225 55,474 SH   SOLE   55,474 0 0
Atomera Incorporated common 04965B100 4,483 183,000 SH   SOLE   183,000 0 0
Avid Bioservices, Inc. common 05368M106 22,478 1,233,000 SH   SOLE   1,233,000 0 0
Aziyo Biologics, Inc. common 05479K106 1,480 107,077 SH   SOLE   107,077 0 0
Ballantyne Strong, Inc. common 058516105 459 176,024 SH   SOLE   176,024 0 0
Bellus Health, Inc. common 07987C204 1,536 400,000 SH   SOLE   400,000 0 0
Bridgeline Digital Inc. common 10807Q700 699 241,935 SH   SOLE   241,935 0 0
CEVA, Inc. common 157210105 18,877 336,187 SH   SOLE   336,187 0 0
CareDx, Inc. common 14167L103 3,881 57,000 SH   SOLE   57,000 0 0
Century Casinos, Inc. common 156492100 15,640 1,522,888 SH   SOLE   1,522,888 0 0
Citi Trends, Inc. common 17306X102 8,772 104,700 SH   SOLE   104,700 0 0
CleanSpark, Inc. common 18452B209 3,335 140,000 SH   SOLE   140,000 0 0
Cryoport, Inc. common 229050307 1,560 30,000 SH   SOLE   30,000 0 0
CytoSorbents Corp. common 23283X206 1,302 150,000 SH   SOLE   150,000 0 0
DZS, Inc. common 268211109 6,220 400,000 SH   SOLE   400,000 0 0
DermTech, Inc. common 24984K105 1,524 30,000 SH   SOLE   30,000 0 0
EMCORE Corp. common 290846203 10,715 1,962,446 SH   SOLE   1,962,446 0 0
Enservco Corporation common 29358Y102 778 450,000 SH   SOLE   450,000 0 0
Eton Pharmaceuticals, Inc. common 29772L108 6,580 898,878 SH   SOLE   898,878 0 0
Everspin Technology, Inc. common 30041T104 11,272 1,878,597 SH   SOLE   1,878,597 0 0
Exicure, Inc. common 30205M101 581 266,309 SH   SOLE   266,309 0 0
Franchise Group, Inc. common 35180X105 4,763 131,912 SH   SOLE   131,912 0 0
GAN, Ltd. (London) common G3728V109 8,588 471,870 SH   SOLE   471,870 0 0
Gaia, Inc. common 36269P104 9,182 772,282 SH   SOLE   772,282 0 0
Genasys Incorporated common 36872P103 29,098 4,349,544 SH   SOLE   4,349,544 0 0
Generation Bio Co. common 37148k100 6,421 225,599 SH   SOLE   225,599 0 0
Greenbrook TMS, Inc. (Canada) common 393704101 7,633 630,447 SH   SOLE   630,447 0 0
INVO Bioscience, Inc. common 44984F302 4,114 950,125 SH   SOLE   950,125 0 0
Ideal Power, Inc. common 451622203 3,115 235,271 SH   SOLE   235,271 0 0
Immunoprecise Antibodies, Ltd. common 45257F200 4,694 478,020 SH   SOLE   478,020 0 0
Impinj, Inc. common 453204109 24,510 430,977 SH   SOLE   430,977 0 0
Infusystem Holdings, Inc. common 45685K102 40,720 2,000,000 SH   SOLE   2,000,000 0 0
Intellicheck, Inc. common 45817G201 1,048 125,010 SH   SOLE   125,010 0 0
Iteris, Inc. common 46564T107 2,193 355,359 SH   SOLE   355,359 0 0
Kopin Corporation common 500600101 16,075 1,532,446 SH   SOLE   1,532,446 0 0
LeMaitre Vascular Inc. common 525558201 11,219 230,000 SH   SOLE   230,000 0 0
Leaf Group, Ltd. common 52177G102 4,636 718,784 SH   SOLE   718,784 0 0
Limelight Networks, Inc. common 53261M104 4,918 1,377,536 SH   SOLE   1,377,536 0 0
LiqTech International, Inc. (D common 53632A102 16,410 2,028,444 SH   SOLE   2,028,444 0 0
LivePerson, Inc. common 538146101 18,454 349,900 SH   SOLE   349,900 0 0
Lovesac Company, The common 54738L109 23,064 407,486 SH   SOLE   407,486 0 0
Magal Security System, Ltd (Is common M6786D104 1,038 231,618 SH   SOLE   231,618 0 0
Medicenna Therapeutics Corp. common 58490H107 4,068 1,000,000 SH   SOLE   1,000,000 0 0
Misonix, Inc. common 604871103 4,883 249,239 SH   SOLE   249,239 0 0
Motorsports Games, Inc. common 62011B102 3,961 170,291 SH   SOLE   170,291 0 0
Movano, Inc. common 62459M107 4,986 900,000 SH   SOLE   900,000 0 0
Nano Dimension, Ltd. ADR (Isra common 63008G203 3,393 394,961 SH   SOLE   394,961 0 0
Natural Gas Services Group Inc common 63886Q109 4,524 479,199 SH   SOLE   479,199 0 0
NeoGames S.A. (Luxembourg) common L6673X107 9,837 275,000 SH   SOLE   275,000 0 0
NeoPhotonics Corporation common 64051T100 22,953 1,920,722 SH   SOLE   1,920,722 0 0
Neonode, Inc. common 64051M709 4,274 456,120 SH   SOLE   456,120 0 0
Noodles & Co. common 65540B105 4,972 480,403 SH   SOLE   480,403 0 0
Nuvation Bio, Inc. common 67080N101 4,554 435,824 SH   SOLE   435,824 0 0
OPKO Health, Inc. common 68375N103 3,432 800,000 SH   SOLE   800,000 0 0
Oncocyte Corp. common 68235C107 3,892 750,000 SH   SOLE   750,000 0 0
OneWater Marine, Inc. - CL A common 68280L101 3,482 87,144 SH   SOLE   87,144 0 0
Ooma, Inc. common 683416101 17,533 1,106,165 SH   SOLE   1,106,165 0 0
OptimizeRx Corporation common 68401U204 24,375 500,000 SH   SOLE   500,000 0 0
OrthoPediatrics Corporation common 68752L100 14,538 298,221 SH   SOLE   298,221 0 0
Pfsweb, Inc. common 717098206 13,062 1,935,179 SH   SOLE   1,935,179 0 0
Powerfleet, Inc. common 73931J109 6,905 840,000 SH   SOLE   840,000 0 0
Primo Water Corp. common 74167P108 994 61,142 SH   SOLE   61,142 0 0
Profound Medical Corp. (U.S.) common 74319B502 7,028 348,939 SH   SOLE   348,939 0 0
Progyny, Inc. common 74340E103 2,225 50,000 SH   SOLE   50,000 0 0
PureTech Health PLC-ADR (Brita common 746237106 1,774 30,000 SH   SOLE   30,000 0 0
Quantum Corp. common 747906501 3,415 410,000 SH   SOLE   410,000 0 0
QuickLogic Corporation common 74837P405 2,700 390,230 SH   SOLE   390,230 0 0
Qumu Corporation common 749063103 2,366 350,000 SH   SOLE   350,000 0 0
RADA Electronic Industries, Lt common M81863124 11,770 980,000 SH   SOLE   980,000 0 0
RADCOM, Ltd. (Israel) common M81865111 5,714 578,312 SH   SOLE   578,312 0 0
Reata Pharmaceuticals, Inc. common 75615P103 1,994 20,000 SH   SOLE   20,000 0 0
Recro Pharma, Inc. common 75629F109 1,092 391,304 SH   SOLE   391,304 0 0
Repligen Corporation common 759916109 19,441 100,000 SH   SOLE   100,000 0 0
Resonant, Inc. common 76118L102 11,392 2,686,785 SH   SOLE   2,686,785 0 0
Roth CH Acquisition III Co. common 77867Q102 1,980 200,000 SH   SOLE   200,000 0 0
SeaSpine Holdings Corp. common 81255T108 7,683 441,547 SH   SOLE   441,547 0 0
Sequans Communications S.A. AD common 817323207 19,718 3,264,540 SH   SOLE   3,264,540 0 0
SharpSpring, Inc. common 820054104 15,494 968,353 SH   SOLE   968,353 0 0
Sientra, Inc. common 82621J105 3,342 458,500 SH   SOLE   458,500 0 0
Sigma Labs, Inc. common 826598500 2,224 597,785 SH   SOLE   597,785 0 0
Soleno Therapeutics, Inc. common 834203200 632 501,837 SH   SOLE   501,837 0 0
Spero Therapeutics, Inc. common 84833T103 5,487 372,755 SH   SOLE   372,755 0 0
Sunrun, Inc. common 86771W105 2,419 40,000 SH   SOLE   40,000 0 0
Telos Corp. common 87969B101 6,984 184,181 SH   SOLE   184,181 0 0
The Cooper Companies, Inc. common 216648402 1,728 4,500 SH   SOLE   4,500 0 0
The Joint Corp. common 47973J102 4,837 100,000 SH   SOLE   100,000 0 0
TravelCenters of America LLC common 89421B109 18,307 674,800 SH   SOLE   674,800 0 0
Turtle Beach Corporation common 900450206 14,550 545,543 SH   SOLE   545,543 0 0
Ultra Clean Holdings, Inc. common 90385V107 8,532 147,000 SH   SOLE   147,000 0 0
Universal Technical Institute, common 913915104 1,506 257,854 SH   SOLE   257,854 0 0
Verb Technology Company, Inc. common 923370U10 1,841 1,314,950 SH   SOLE   1,314,950 0 0
Veru,Inc. common 92536C103 7,542 700,000 SH   SOLE   700,000 0 0
Vicor Corporation common 925815102 6,717 79,000 SH   SOLE   79,000 0 0
Viemed Healthcare, Inc.(Canada common 92663R105 11,038 1,085,000 SH   SOLE   1,085,000 0 0
Westport Fuel Systems, Inc. (C common 960908309 22,160 3,082,047 SH   SOLE   3,082,047 0 0
Yatra Online, Inc. (India) common G98338109 1,530 656,624 SH   SOLE   656,624 0 0
Zealand Pharma A/S (Denmark) common 999999999 9,403 297,226 SH   SOLE   297,226 0 0
Zealand Pharma A/S ADR (Denmar common 98920Y304 639 19,981 SH   SOLE   19,981 0 0
argenx SE - ADR (Netherlands) common 04016X101 22,031 80,000 SH   SOLE   80,000 0 0
eMagin Corporation common 29076N206 4,192 1,120,887 SH   SOLE   1,120,887 0 0
nLight, Inc. common 65487K100 8,424 260,000 SH   SOLE   260,000 0 0
urban-gro, Inc. common 91704K202 1,991 236,156 SH   SOLE   236,156 0 0
voxeljet AG, ADR (Germany) common 92912L106 10,686 684,978 SH   SOLE   684,978 0 0
Ideal Power @.001 (pre-funded) warrants 999999999 3,360 253,830 SH   SOLE   253,830 0 0
Ideal Power @2.32 11/13/24 9.9 warrants 999999999 5,143 439,180 SH   SOLE   439,180 0 0
Ideal Power @8.90 8/5/25 9.99 warrants 999999999 322 39,366 SH   SOLE   39,366 0 0
Ocean Power Technologies @3.85 warrants 674870118 585 464,280 SH   SOLE   464,280 0 0
Roth CH Acquisition III Co @11 warrants 77867Q110 40 50,000 SH   SOLE   50,000 0 0
Turtle Beach Corp. @0 pre-fund warrants 999999999 14,668 550,000 SH   SOLE   550,000 0 0
eMagin Corp @.78 10/9/19-10/9/ warrants 999999999 9,510 3,000,000 SH   SOLE   3,000,000 0 0
eMagin Corporation @1.55 1/29/ warrants 999999999 2,234 890,000 SH   SOLE   890,000 0 0
eMagin Corporation @2.45 5/24/ warrants 999999999 2,860 1,625,000 SH   SOLE   1,625,000 0 0