CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities
Net income (loss)	$ (9,849)	$ (10,190)
Adjustments to reconcile net income (loss) to net cash used in operating activities
Depreciation and amortization	125	69
Amortization of debt discount and debt issuance costs	217	15
Stock based compensation	616	608
Change in fair value of derivative liabilities	4,776	4,712
Reduction in accounts payable from expiration of statute of limitations	(440)	(336)
Warrants issued in lieu of cash as compensation for services	108	27
Change in assets and liabilities
Accounts receivable	26	20
Inventory	(243)	(217)
Other assets	(50)	(20)
Accounts payable	(130)	(8)
Accrued expenses	(116)	(737)
Deferred revenue	102	494
Pension obligation	7	10
Total adjustments	4,998	4,637
Net cash used in operating activities	(4,851)	(5,553)
Cash flows from investing activities
Purchase of property and equipment	(193)	(181)
Net cash used in investing activities	(193)	(181)
Cash flows from financing activities
Repayment of notes payable		(45)
Proceeds from exercise of stock options	11	7
Dividends paid	(51)	(229)
Proceeds from exercised stock purchase warrants	3,291	3,527
Net cash provided by financing activities	3,251	3,260
Effect of exchange rate changes on cash and cash equivalents	(69)	(74)
Net increase (decrease) in cash and cash equivalents	(1,862)	(2,548)
Cash and cash equivalents at beginning of year	4,225	6,773
Cash and cash equivalents at end of year	2,363	4,225
Supplemental disclosure of cash flow information:
Cash paid for interest
Cash paid for income taxes	1
Summary of non-cash investing and financing activities:
Conversion of related party notes payable into common stock	10
Warrants issued for intangible asset purchase		87
Contingent royalty payment		72
Acquisition of intangible assets with warrants		(159)
Issuance of common stock pursuant to cashless warrant exercises	45	704
Additional minimum pension liability	(622)
Reclassification of warrants previously classified as derivative liabilities to additional paid-in capital	6,684	13,588
Issuance of common warrants securing line of credit borrowing facility	580
Issuance of restricted stock pursuant to achievement of vesting conditions	$ 1