CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 14,955	$ 24,594
Accounts receivable, net of allowance for doubtful accounts of $1,091 and $908, respectively	3,638	3,298
Prepaid expenses and other current assets	4,287	1,792
Restricted cash	360	360
Total current assets	23,240	30,044
Property, equipment, and software, net	2,622	2,285
Restricted cash - long-term portion	248	248
Other assets	100	135
Total assets	26,210	32,712
Current liabilities
Accounts payable	1,224	1,625
Accrued expenses and other current liabilities	4,662	6,235
Deferred revenue	2,180	1,958
Total current liabilities	8,066	9,818
Non-current liabilities
Non-current portion of convertible promissory notes, net	28,999	28,863
Total non-current liabilities	29,170	29,301
Total liabilities	37,236	39,119
Commitments and contingencies (Note 8)
Stockholders' deficit
Preferred stock: $0.0001 par value; 5,000 and 5,000 authorized; 0 and 0 issued and outstanding; aggregate liquidation preference of $0 and $0 at March 31, 2023 and December 31, 2022, respectively	0	0
Common stock: $0.0001 par value; 200,000 and 200,000 authorized; 43,849 and 43,275 issued at March 31, 2023 and December 31, 2022, respectively	4	4
Treasury stock: 3,081 and 3,081 shares held at March 31, 2023 and December 31, 2022, respectively	(31,663)	(31,663)
Additional paid-in capital	90,730	89,952
Accumulated deficit	(70,097)	(64,700)
Total stockholders' deficit	(11,026)	(6,407)
Total liabilities and stockholders' deficit	26,210	32,712
Private warrants derivative liability
Non-current liabilities
Derivative liability	130	182
Escrow shares derivative liability
Non-current liabilities
Derivative liability	7	52
Stockholder earn-out rights derivative liability
Non-current liabilities
Derivative liability	$ 34	$ 204