Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities [Abstract]
Net Loss	$ (12,825)	$ (15,322)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and Amortization	2,410	3,057
Share-based Compensation	1,265	3,666
Amortization of Debt Issuance Costs	1,532	1,740
Fair Value Adjustment of Warrants	(259)	(235)
Paid-in-Kind Interest Expense, related party	129	0
Loss on revaluation of investment	0	1,145
Changes in operating assets and liabilities (net of effects of acquisition):
Accounts Receivable	2,549	1,440
Inventories	990	675
Accounts Payable and Accrued Liabilities	2,064	(1,318)
Accrued Payroll and Employee Compensation	(263)	365
Deferred Revenue	(721)	(121)
Other Assets and Liabilities, Net	(343)	(2,135)
Net Cash Used in Operating Activities	(3,472)	(7,043)
Investing activities:
Acquisition, Net of Cash Acquired	0	(1,051)
Purchase of Fixed Assets	(31)	(69)
Net Cash Used in Investing Activities	(31)	(1,120)
Financing activities:
Proceeds from issuance of common shares and warrants	2,310	7,862
Payment for Issuance Costs	(359)	(433)
Payments on Debt, Related Party	(192)	(1,154)
Net Cash Provided by Financing Activities	1,759	6,275
Effect of Exchange Rate Changes on Cash	4	104
Net decrease in cash and cash equivalents	(1,740)	(1,784)
Cash and Cash Equivalents, beginning of period	4,598	5,056
Cash and Cash Equivalents, end of period	$ 2,858	$ 3,272