CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net loss	$ (2,727)	$ (2,277)
Adjustments to reconcile net loss to net cash used by operating activities:
Depreciation and amortization	21	35
Amortization of debt issuance costs and beneficial conversion feature	40	13
Provision for losses on accounts receivable	15	0
Stock-based compensation	274	286
Change in assets and liabilities
Accounts receivable	(32)	(27)
Inventory	(20)	2
Other assets	(12)	(47)
Accounts payable	(25)	2
Deferred revenue	(86)	(112)
Accrued expense	(63)	(143)
Pension obligation	15	86
Total adjustments	127	95
Net cash used in operating activities	(2,600)	(2,182)
Cash flows from investing activities
Purchase of property and equipment	(1)	(21)
Net cash used in investing activities	(1)	(21)
Cash flows from financing activities
Proceeds from exercised stock options	7	0
Proceeds from lines of credit, net	1,500	0
Net cash provided by financing activities	1,507	0
Effect of exchange rate changes on cash	(17)	(54)
Net decrease in cash	(1,111)	(2,257)
Cash at beginning of period	1,586	3,352
Cash at end of period	475	1,095
Supplemental disclosure of cash flow information:
Cash paid for interest	0	0
Cash paid for income taxes	0	0
Summary of non-cash investing and financing activities:
Beneficial conversion feature of convertible related party lines of credit	125	0
Stock dividend on Series E Preferred	297	335
Stock dividend on Series F Preferred	49	0
Stock dividend on Series G Preferred	$ 148	$ 0