Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 20,032	$ 17,206
Trade accounts receivable, net of allowance for credit losses of $238 as of both March 31, 2025 and December 31, 2024	6,627	7,207
Inventory, net	694	756
Prepaid expenses and other current assets	769	1,258
Total current assets	28,122	26,427
Property and equipment, net of accumulated depreciation of $1,656 and $1,496 as of March 31, 2025 and December 31, 2024, respectively	1,814	1,716
Operating lease assets	122	177
Other assets	962	757
Intangible assets, net of accumulated amortization of $8,546 and $8,535 as of March 31, 2025 and December 31, 2024, respectively	90	101
Goodwill	8,362	8,362
Total assets	39,472	37,540
Current liabilities:
Accounts payable	1,136	1,111
Accrued and other expenses	2,368	2,358
Less: current portion of lease liabilities	234	229
Deferred revenue—current portion	3,954	3,863
Total current liabilities	7,692	7,561
Long-term lease liabilities	73	133
Deferred revenue, net of current	898	1,137
Deferred tax	4	8
Other	17	17
Total liabilities	8,684	8,856
Commitments and Contingencies (Notes 8 and 11)
Stockholders’ equity:
Preferred stock, $0.01 par value: authorized 1,000,000 shares; none issued.	0	0
Common stock, $0.01 par value: authorized 60,000,000 shares; issued 27,365,682 and 26,540,030 as of March 31, 2025 and December 31, 2024, respectively; outstanding 27,179,851 and 26,354,199 as of March 31, 2025 and December 31, 2024, respectively.	273	265
Additional paid-in capital	310,062	307,133
Accumulated deficit	(278,132)	(277,299)
Treasury stock at cost, 185,831 shares as of both March 31, 2025 and December 31, 2024	(1,415)	(1,415)
Total stockholders’ equity	30,788	28,684
Total liabilities and stockholders’ equity	$ 39,472	$ 37,540