CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ 670	$ (5,333)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,704	2,362
Loss on extinguishment of debt, net		1,369
Accretion of interest on long-term payment obligation	115	180
Stock-based compensation expense	2,069	1,987
Amortization of debt issuance costs	42	280
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(3,667)	202
Inventories	(72)	(614)
Prepaid expenses and other assets	(33)	(866)
Accounts payable	1,556	(1,871)
Payment obligation liability	(948)	(920)
Deferred revenue	721	(525)
Accrued expenses and other liabilities	(1,787)	738
Net cash provided by (used in) operating activities	1,370	(3,011)
Cash flows from investing activities:
Capital expenditures	(202)	(634)
Acquisition of business, net of cash acquired	(1,287)	(1,384)
Net cash used in investing activities	(1,489)	(2,018)
Cash flows from financing activities:
Proceeds from issuance of debt, net of issuance costs	5,427	16,941
Repayments of debt	(2,144)	(23,612)
Repayments of notes payable	(2,000)
Taxes paid related to net share settlement of restricted stock units	(688)	(502)
Proceeds from issuance of Series B preferred stock, net of issuance costs		7,895
Proceeds from exercise of stock options		13
Net cash provided by financing activities	595	735
Effect of exchange rates on cash	(290)	(518)
Net increase (decrease) in cash	186	(4,812)
Cash at beginning of period	10,866	19,052
Cash at end of period	11,052	14,240
Supplemental Disclosures of Cash Flow Information:
Interest paid	713	1,571
Taxes paid, net	155	109
Non-cash investing and financing activities:
Issuance of shares to non-employees		11
Promissory notes issued in acquisition of business		2,000
Liquidation of subsidiary with noncontrolling interest	170
Cancelation of holdback shares in connection with acquisition	340
Common Stock
Non-cash investing and financing activities:
Stock issued for acquisition of business	$ 1,635	$ 2,635