Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net (loss) income	$ (31,043)	$ 4,165
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization	9,338	3,582
Non-cash rent expense	1,160	1,110
Change in fair value of contingent consideration	12,864
Gain on sale of software products		(711)
Provision for adjustments to accounts receivable and doubtful accounts	5	(60)
Provision for excess and obsolete inventory	(97)
Gain on disposal of fixed assets	(14)
Non-cash compensation related to stock options and restricted stock	4,848	3,064
Deferred income taxes	58	153
Change in operating accounts:
Accounts receivable	7,938	(1,269)
Prepaid expenses and other assets	(268)	(388)
Accounts payable and accrued liabilities	(16,309)	(1,906)
Deferred revenue	(1,396)	184
Net cash (used in) provided by operating activities	(12,916)	7,924
Investing activities:
Acquisitions, net	(56,865)	(13,500)
Proceeds from sale of software products	192	367
Capital expenditures	(830)	(1,323)
Purchase of equity instrument		(225)
Net cash used in investing activities	(57,503)	(14,681)
Financing activities:
Proceeds from exercise of common stock warrants	2,066	4,196
Payments related to contingent consideration	(1,136)
Proceeds from exercise of stock options	65	29
Proceeds from stock sale for employee stock purchase plan	37	18
Proceeds from common stock offering	59,711
Net cash provided by financing activities	60,743	4,243
Net decrease in cash and cash equivalents	(9,676)	(2,514)
Cash and cash equivalents, beginning of year	25,754	28,268
Cash and cash equivalents, end of year	16,078	25,754
Supplemental disclosures of cash flow information:
Cash paid (received) for income taxes	84	$ (173)
Non-cash investing and financing activities:
Issuance of common stock in connection with acquisition	$ 8,381