Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating activities:
Net income (loss)	$ 10,722	$ (2,740)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,341	779
Non-cash rent expense	954
Amortization of debt discounts and financing issuance costs		239
Restructuring costs	194	173
Gain on sale of software product	(483)
Change in fair value of warrant liability		812
Loss on debt extinguishment		203
Provision for adjustments to accounts receivable and doubtful accounts	143	(82)
Provision for excess and obsolete inventory	1	(16)
Loss on disposal of fixed assets	6	7
Non-cash compensation related to stock options and restricted stock	1,494	935
Deferred income taxes	97	213
Change in operating accounts:
Accounts receivable	(3,811)	(1,903)
Prepaid expenses and other assets	(32)	(197)
Accounts payable and accrued liabilities	(417)	(1,252)
Deferred revenue	(221)	(45)
Net cash provided by (used in) operating activities	9,988	(2,874)
Investing activities:
Acquisitions, net	(3,974)
Proceeds from sale of software product	370
Capital expenditures	(1,659)	(173)
Net cash used in investing activities	(5,263)	(173)
Financing activities:
Proceeds from exercise of common stock warrants	11,457
Proceeds from (payments related to) issuance of common stock	(14)	17,600
Repayments of short-term secured promissory notes		(1,000)
Repayments of related-party notes payable		(1,200)
Repayments of notes payable		(2,000)
Proceeds from exercise of stock options	50
Proceeds from stock sale for employee stock purchase plan	10	5
Preferred stock dividends	(119)	(404)
Net cash provided by financing activities	11,384	13,001
Net increase in cash and cash equivalents	16,109	9,954
Cash and cash equivalents, beginning of period	12,159	2,205
Cash and cash equivalents, end of period	28,268	12,159
Supplemental disclosures of cash flow information:
Cash paid for income taxes	104	2
Cash paid for interest		386
Non-cash investing and financing activities:
Issuance of common stock in connection with acquisition	5,129
Issuance of common stock warrants in connection with stock offering		10,792
Reclassification of warrants from liabilities to equity		7,604
Conversion of preferred stock to common stock	$ 1	$ 4