Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 13,072	$ 16,704
Accounts receivable	1,305	1,233
Prepaid expenses	700	370
Total current assets	15,077	18,307
Property and Equipment:
Equipment	1,649	1,453
Furniture and fixtures	43	43
Leasehold improvements	67	67
Property, Plant and Equipment, Gross	1,759	1,563
Accumulated depreciation and amortization	(1,167)	(1,097)
Property, Plant and Equipment, Net	592	466
Finance leases, right-of-use assets, net	11	20
Operating leases, right-of-use assets, net	979	1,010
Other assets	163	79
Total noncurrent assets	1,745	1,575
TOTAL ASSETS	16,822	19,882
Current Liabilities:
Accounts payable, trade	886	408
Accrued expenses	677	628
Finance leases liabilities, current portion	11	21
Operating leases liabilities, current portion	598	487
PPP loan payable, current portion	428	421
Deferred revenue	146	177
Total current liabilities	2,746	2,142
PPP loan payable, noncurrent portion	207	212
Operating leases liability, noncurrent portion	1,746	1,867
Stockholders equity:
Common stock, $0.01 par value: Authorized shares - 80,000 Issued shares - 17,625 in 2021 and 17,428 in 2020 Outstanding shares - 17,615 in 2021 and 17,418 in 2020	176	174
Common stock held in treasury, at cost 10 shares	(362)	(362)
Additional paid-in capital	77,550	77,187
Accumulated deficit	(65,198)	(61,295)
Accumulated other comprehensive loss	(43)	(43)
Total stockholders equity	12,123	15,661
TOTAL LIABILITIES AND STOCKHOLDERS EQUITY	$ 16,822	$ 19,882