Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating activities:
Net income	$ 4,165	$ 10,722
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,582	1,341
Non-cash rent expense	1,110	954
Restructuring costs	19	194
Gain on sale of software products	(711)	(483)
Provision for adjustments to accounts receivable and doubtful accounts	(60)	143
Provision for excess and obsolete inventory		1
Loss on disposal of fixed assets		6
Non-cash compensation related to stock options and restricted stock	3,064	1,494
Deferred income taxes	153	97
Change in operating accounts:
Accounts receivable	(1,269)	(3,811)
Prepaid expenses and other assets	(388)	(32)
Accounts payable and accrued liabilities	(1,925)	(417)
Deferred revenue	184	(221)
Net cash provided by operating activities	7,924	9,988
Investing activities:
Acquisitions, net	(13,500)	(3,974)
Proceeds from sale of software products	367	370
Capital expenditures	(1,323)	(1,659)
Purchase of equity instrument	(225)
Net cash used in investing activities	(14,681)	(5,263)
Financing activities:
Proceeds from exercise of common stock warrants	4,196	11,457
Payments related to the issuance of common stock		(14)
Proceeds from exercise of stock options	29	50
Proceeds from stock sale for employee stock purchase plan	18	10
Preferred stock dividends		(119)
Net cash provided by financing activities	4,243	11,384
Net increase (decrease) in cash and cash equivalents	(2,514)	16,109
Cash and cash equivalents, beginning of year	28,268	12,159
Cash and cash equivalents, end of year	25,754	28,268
Supplemental disclosures of cash flow information:
Cash paid (received) for income taxes	$ (173)	104
Non-cash investing and financing activities:
Issuance of common stock in connection with acquisition		5,129
Conversion of preferred stock to common stock		$ 1