CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities
Net loss	$ (3,763)	$ (8,392)
Adjustments to reconcile net loss to net cash used by operating activities:
Depreciation and amortization	88	55
Amortization of debt issuance costs	182	72
Reduction in accounts payable and accrued liabilities from the expiration of statute of limitations	(216)	(104)
Change in fair value of derivative liabilities		(5,148)
Warrants issued in lieu of cash paid for services		1
Stock-based compensation	425	269
Change in assets and liabilities
Accounts receivable	(98)	(177)
Inventory	(98)	(165)
Other assets	(64)	26
Accounts payable	106	(157)
Deferred revenue	(357)	(169)
Accrued expenses	78	(40)
Pension obligation	27	17
Total adjustments	73	4,776
Net cash used in operating activities	(3,690)	(3,616)
Cash flows from investing activities
Purchase of property and equipment	(70)	(74)
Net cash used in investing activities	(70)	(74)
Cash flows from financing activities
Proceeds from exercised stock options	55	3
Proceeds from exercised warrants to purchase stock	2,798	528
Dividends paid	(25)	(25)
Net cash provided by financing activities	2,828	506
Effect of exchange rate changes on cash	(16)	(8)
Net decrease in cash and cash equivalents	(948)	(3,192)
Cash and cash equivalents at beginning of period	2,363	4,225
Cash and cash equivalents at end of period	1,415	1,033
Supplemental disclosure of cash flow information:
Cash paid for interest	2
Cash paid for income taxes
Summary of non-cash investing and financing activities:
Reclassification of warrants previously classified as derivative liabilities to additional paid-in capital	57	6,132
Issuance of common stock warrants securing line of credit borrowing facility	127	580
Issuance of common stock pursuant to cashless warrant exercises	2	40
Issuance of common stock pursuant to conversion of Related-Party notes payable and accrued  interest	85
Issuance of common stock pursuant to achievement of vesting conditions		$ 1