CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net loss	$ (7,668)	$ (6,822)
Adjustments to reconcile net loss to net cash used by operating activities:
Depreciation and amortization	54	103
Amortization of debt issuance costs and beneficial conversion feature	152	85
Reduction in accrued expense from the expiration of statute of limitations	(75)	(200)
Stock-based compensation	823	859
Provision for losses on accounts receivable	15	0
Gain from sale of trademark	(50)	0
Change in assets and liabilities
Accounts receivable	55	150
Inventory	(77)	(35)
Other assets	(71)	(134)
Accounts payable	(26)	18
Deferred revenue	348	324
Accrued expense	291	(131)
Pension obligation	89	104
Total adjustments	1,528	1,143
Net cash used in operating activities	(6,140)	(5,679)
Cash flows from investing activities
Purchase of property and equipment	(1)	(47)
Proceeds received from sale of trademark	50	0
Net cash provided by (used in) in investing activities	49	(47)
Cash flows from financing activities
Proceeds from exercised stock options	227	1
Proceeds from issuance of preferred stock, net of issuance costs	10,937	1,979
Proceeds from lines of credit, net	3,350	2,150
Dividends paid	(25)	(25)
Net cash provided by financing activities	14,489	4,105
Effect of exchange rate changes on cash	(118)	(46)
Net increase (decrease) in cash	8,280	(1,667)
Cash at beginning of period	1,586	3,352
Cash at end of period	9,866	1,685
Supplemental disclosure of cash flow information:
Cash paid for interest	0	1
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	292	176
Stock dividend on Convertible Preferred Stock	1,575	935
Preferred Stock Exchange	$ 1,245