CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 1,265	$ 2,789
Restricted cash, current	500	1,052
Contract receivables, net of allowance for credit loss	10,464	10,064
Prepaid expenses and other current assets	1,282	2,165
Total current assets	13,511	16,070
Equipment, software and leasehold improvements, net	724	772
Software development costs, net	567	574
Goodwill	6,299	6,299
Intangible assets, net	1,526	1,687
Restricted cash - long term	1,078	535
Operating lease right-of-use assets, net	386	506
Other assets	52	53
Total assets	24,143	26,496
Current liabilities:
Current portion of long-term note	2,693	3,038
Accounts payable	1,560	1,262
Accrued expenses	2,045	2,084
Accrued compensation	1,935	1,071
Billings in excess of revenue earned	4,104	4,163
Accrued warranty	292	370
Income taxes payable	1,723	1,774
Derivative liabilities	484	603
Other current liabilities	831	1,286
Total current liabilities	15,667	15,651
Long-term note, less current portion	0	310
Operating lease liabilities noncurrent	110	160
Other noncurrent liabilities	192	144
Total liabilities	15,969	16,265
Commitments and contingencies (Note 16)
Stockholders' equity:
Preferred stock $0.01 par value; 2,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock $0.01 par value; 60,000,000 shares authorized, 25,159,719 and 24,046,806 shares issued, 23,560,808 and 22,447,895 shares outstanding, respectively	252	240
Additional paid-in capital	83,860	82,911
Accumulated deficit	(72,935)	(69,927)
Accumulated other comprehensive (loss) income	(4)	6
Treasury stock at cost, 1,598,911 shares	(2,999)	(2,999)
Total stockholders' equity	8,174	10,231
Total liabilities and stockholders' equity	$ 24,143	$ 26,496