CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Cash flows from operating activities:
Net loss	$ (2,022)	$ (8,992)	$ (6,471)	$ (13,827)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Goodwill and intangible asset impairment charge	937	7,505	937	7,505
Depreciation	43	69	144	213
Legal settlement			750	0
Amortization of intangible assets	108	209	400	700
Amortization of capitalized software development costs			248	255
Amortization of deferred financing costs			22	11
Amortization of debt discount			981	925
Loss on debt settled in shares			145	21
Stock-based compensation expense			853	1,592
Credit loss expense	(6)	0	24	97
Change in fair value of derivative instruments, net			(420)	(377)
Foreign currency transaction (gain) loss			152	178
Deferred income taxes			3	(80)
Changes in assets and liabilities:
Contract receivables, net			(736)	922
Prepaid expenses and other assets			1,891	3,638
Accounts payable, accrued compensation and accrued expenses			1,572	539
Billings in excess of revenue earned			76	(818)
Accrued warranty			(98)	(163)
Other liabilities			(167)	(581)
Net cash provided by operating activities			306	750
Cash flows from investing activities:
Capital expenditures			(19)	(171)
Capitalized software development costs			(372)	(276)
Net cash used in investing activities			(391)	(447)
Cash flows from financing activities:
Repayment of line of credit			0	(1,817)
Repayment of insurance premium financing			(729)	(906)
Proceeds from issuance of long-term debt and warrants			1,800	5,750
Payments of debt issuance and original discount on issuance of long-term debt and warrants			(386)	(968)
Principal repayment of convertible note			(1,327)	(319)
Tax paid for shares withheld			(88)	(226)
Net cash (used in) provided by financing activities			(730)	1,514
Effect of exchange rate changes on cash			(61)	(124)
Net (decrease) increase in cash, cash equivalents and restricted cash			(876)	1,693
Cash, cash equivalents and restricted cash at beginning of the period			4,376	3,550	$ 3,550
Cash, cash equivalents and restricted cash at the end of the period	3,500	5,243	3,500	5,243	4,376
Cash and cash equivalents	2,041	3,660	2,041	3,660	2,789
Restricted cash, current	378	651	378	651	1,052
Restricted cash included in other long-term assets	1,081	932	1,081	932	535
Total cash, cash equivalents and restricted cash	3,500	5,243	3,500	5,243	$ 4,376
Non-cash financing activities
Repayment of convertible note in shares			1,293	320
Establishment of new right-of-use assets			333	60
Establishment of new operating lease liability			(333)	(58)
Discount on issuance of convertible note	$ 300	$ 750	$ 300	$ 750