Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (8,027)	$ (5,422)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	541	482
Amortization of intangibles	962	945
Stock issued and stock to be issued for compensation, royalties and services	146	204
Unrealized gain on derivative liability	(126)	(35)
Provision for (credit to) bad debt expense and returns allowances	(34)	(51)
Deferred income taxes	(329)	(490)
Inventory reserve	123	173
Non-cash unrealized foreign currency (gains) losses	21	(274)
Impairment of goodwill and intangible assets	1,263	3
Loss on disposal of assets		9
(Increase) decrease in operating assets:
Trade accounts receivable	(1,625)	(2,039)
Inventories	(2,214)	(570)
Contract assets	704	1,175
Prepaid expenses and other current assets	396	(283)
Deposits and other assets	2	(27)
Increase (decrease) in operating liabilities:
Accounts payable	1,730	(391)
Accrued expenses	1,060	523
Refund liabilities	572	(30)
Contract liabilities	146	2,893
NET CASH USED IN OPERATING ACTIVITIES	(4,689)	(3,205)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(511)	(473)
Proceeds from sale of property and equipment		2
Investments in other intangible assets	(325)	(339)
Proceeds from notes receivable		19
NET CASH USED IN INVESTING ACTIVITIES	(836)	(791)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from overdraft facility	8,458
Payments on overdraft facility	(7,691)
Proceeds from line of credit	1,546	9,530
Payments on line of credit	(1,546)	(8,464)
Payments on capital lease obligations	(2)	(25)
Payments on mortgage note payable	(47)	(45)
Payments on contingent consideration	(45)	(61)
NET CASH PROVIDED BY FINANCING ACTIVITIES	673	935
Effect of exchange rate changes on cash	41	231
Net decrease in cash, cash equivalents and restricted cash	(4,811)	(2,830)
Cash, cash equivalents and restricted cash at beginning of period	12,646	4,617
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	7,835	1,787
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid	95	93
Interest paid, net of capitalized interest	239	238
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Common stock issued and to be issued for royalties payable pursuant to product agreements, related party	9	8
Common stock issued and to be issued for consulting services and compensation in common stock	272	339
Partial settlement of note receivable via offset against royalty payable netted with (increase) to note receivable from accrued interest.	(6)	(6)
Accrued property and equipment purchases at June 30	18	74
Accrued investment in other intangible assets at June 30	$ 61	$ 60