Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net loss	$ (12,944)	$ (14,051)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	851	1,924
Amortization of internally developed software	2,356	2,984
Amortization of intangible assets	0	95
Amortization of deferred costs to obtain and fulfill contracts	305	872
Interest expense	6	22
Loss on disposals of property and equipment and right-of-use assets	(31)	(23)
Unrealized foreign currency (gains) losses	50	(51)
Stock-based compensation related to equity awards	2,021	1,494
Provision for bad debts	(131)	(177)
Net change in operating leases	(531)	(383)
Deferred income tax benefits	(12)	13
Changes in operating assets and liabilities
Accounts receivable	563	4,056
Prepaid expenses and other assets	353	(42)
Accounts payable	47	(750)
Accrued expenses and other liabilities	(907)	(1,704)
Net cash used in operating activities	(7,942)	(5,675)
Investing activities:
Purchases of property and equipment	(6)	(15)
Capitalization of internally developed software	(1,290)	(1,869)
Net cash (used in) provided by investing activities	(1,296)	(1,884)
Financing activities:
Proceeds from note payable	0	3,320
Proceeds from issuance of common shares through at-the-market offering, net of offering costs	41,888	7,670
Payment of principal on finance lease liabilities	(15)	(598)
Employee taxes paid for withheld shares upon equity award settlement	(428)	(178)
Proceeds from employee stock purchase plan, net	34	19
Net cash provided by financing activities	41,479	10,233
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash	(4)	41
Net increase in cash and cash equivalents and restricted cash	32,237	2,715
Cash and cash equivalents and restricted cash:
Beginning of year	14,820	12,105
End of year	47,057	14,820
Supplemental disclosures of other cash flow information:
Cash paid for interest	0	26
Cash paid (received) for income taxes	(1,031)	21
Supplemental disclosures of lease transactions:
Issuance of common stock under employee stock purchase plan	28	26
Amortization of prepaid stock issuance costs	$ 246	$ 170