UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 7,018	$ 4,100
Accounts receivable	1,289	1,034
Prepaid expenses	784	356
Total current assets	9,091	5,490
Property and equipment:
Equipment	2,643	2,517
Capitalized software development	350	0
Furniture and fixtures	43	43
Leasehold improvements	67	67
Property, plant and equipment, gross	3,103	2,627
Accumulated depreciation and amortization	(1,850)	(1,567)
Property and equipment, net	1,253	1,060
Finance leases, right-of-use assets, net	1,377	1,709
Operating leases, right-of-use assets, net	658	808
Other assets	163	166
Total noncurrent assets	3,451	3,743
TOTAL ASSETS	12,542	9,233
Current Liabilities:
Accounts payable, trade	521	718
Accrued expenses	872	534
Finance lease liabilities, current portion	650	644
Operating lease liabilities, current portion	311	935
Notes payable, current portion	6,796	0
Deferred revenue	1,314	560
Total current liabilities	10,464	3,391
Notes payable, noncurrent portion	2,934	0
Finance lease liabilities, noncurrent portion	626	673
Operating lease liabilities, noncurrent portion	372	1,250
Total noncurrent liabilities	3,932	1,923
Commitments and Contingencies - See Note 8
Stockholders’ Equity:
Preferred stock, $0.01 par value: Authorized shares – 5,000 Issued shares – 0 in 2022 and 2021	0	0
Common stock $0.01 par value: Authorized shares – 80,000; Issued shares – 19,745 in 2022 and 19,135 in 2021; Outstanding shares – 19,735 in 2022 and 19,125 in 2021	197	191
Common stock held in treasury, at cost – 10 shares	(362)	(362)
Additional paid-in capital	86,570	84,230
Accumulated deficit	(88,216)	(80,097)
Accumulated other comprehensive loss	(43)	(43)
Total stockholders’ equity	(1,854)	3,919
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 12,542	$ 9,233