CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities
Net income (loss)	$ (10,190)	$ (3,180)
Adjustments to reconcile net income (loss) to net cash used in operating activities
Depreciation and amortization	69	28
Amortization of debt discount and debt issuance costs	15	4,448
Stock based compensation	608	289
Change in fair value of derivative liabilities	4,712	(3,970)
Reduction in accounts payable from expiration of statute of limitations	(336)
Stock and warrants issued in lieu of cash	27	13
Change in assets and liabilities
Accounts receivable	20	(109)
Inventory	(217)	(33)
Other assets	(20)	(9)
Accounts payable	(8)	(58)
Accrued expenses	(737)	570
Deferred revenue	494	(7)
Billings in excess of costs and estimated earnings on uncompleted contracts		(241)
Pension obligation	10	(10)
Total adjustments	4,637	911
Net cash used in operating activities	(5,553)	(2,269)
Cash flows from investing activities
Purchase of property and equipment	(181)	(11)
Net cash used in investing activities	(181)	(11)
Cash flows from financing activities
Proceeds from issuance of notes payable		1,250
Repayment of notes payable	(45)	(1,500)
Proceeds from issuance of common stock and warrants, net		8,544
Proceeds from exercised stock options	7	4
Dividends paid	(229)
Proceeds from exercised stock purchase warrants	3,527	655
Net cash provided by financing activities	3,260	8,953
Effect of exchange rate changes on cash and cash equivalents	(74)	(3)
Net increase (decrease) in cash and cash equivalents	(2,548)	6,670
Cash and cash equivalents at beginning of year	6,773	103
Cash and cash equivalents at end of year	4,225	6,773
Supplemental disclosure of cash flow information:
Cash paid for interest
Cash paid for income taxes
Summary of non-cash investing and financing activities:
Conversion of notes payable and related interest to common stock		5,637
Beneficial conversion feature of convertible debt		188
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	704	12
Conversion of preferred stock into common stock		1,599
Reclassification of warrants previously classified as derivative liabilities to additional paid-in capital	13,588
Reclassification of previously bifurcated conversion option on warrants and preferred stocks		5,672
Warrants issued with notes payable		$ 188