Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating activities:
Net loss	$ (21,917)	$ (18,227)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	19	447
Amortization of internally developed software	1,701	1,810
Amortization of right-of-use assets	1,528	2,832
Amortization of deferred costs to obtain and fulfill contracts	366	352
Forgiveness of Paycheck Protection Program loan	0	(3,117)
Impairment on long-lived assets	3,276
Loss on disposals of property and equipment and right-of-use assets	3	28
Unrealized foreign currency (gains) losses	46	80
Stock-based compensation related to equity awards	3,006	3,555
Provision for bad debts	(414)	16
Deferred income tax benefits	(70)	48
Changes in operating assets and liabilities
Accounts receivable	1,037	73
Prepaid expenses and other assets	183	(102)
Accounts payable	(353)	31
Accrued expenses and other liabilities	(1,466)	(2,786)
Operating lease liabilities	(1,528)	(3,177)
Net cash used in operating activities	(14,583)	(18,137)
Investing activities:
Purchases of property and equipment	0	(24)
Capitalization of internally developed software	(1,807)	(1,740)
Net cash used in investing activities	(1,807)	(1,764)
Financing activities:
Proceeds from issuance of common shares through at-the-market offering, net of offering costs	0	1,333
Repayment of Paycheck Protection Program loan	0	(203)
Employee taxes paid for withheld shares upon equity award settlement	(206)	(424)
Proceeds from employee stock purchase plan, net	(3)	34
Net cash provided by financing activities	(209)	740
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash	5	61
Net (decrease) increase in cash and cash equivalents and restricted cash	(16,594)	(19,100)
Cash and cash equivalents and restricted cash:
Beginning of year	27,957	47,057
End of year	11,363	27,957
Supplemental disclosures of other cash flow information:
Cash paid for (received from) income taxes	85	168
Forgiveness of Paycheck Protection Program loan		3,117
Supplemental disclosures of lease transactions:
Issuance of common stock under employee stock purchase plan	$ 6	$ 37