CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net loss	$ (8,387,000)	$ (5,758,000)
Income from discontinued operations		(53,000)
Gain on sale of discontinued operations, net of taxes		(687,000)
Depreciation and amortization	43,000	9,000
Stock-based compensation expense	544,000	148,000
Change in fair value of warrant liabilities	1,617,000	808,000
Change in fair value of convertible notes	2,024,000	1,894,000
Financing costs associated with convertible notes	80,000	530,000
Non-cash interest expense	331,000	225,000
Deferred income taxes		(492,000)
Change in assets and liabilities:
Accounts receivable	48,000	(321,000)
Inventory	56,000	72,000
Prepaid expenses and other assets	58,000	66,000
Accounts payable	228,000	(194,000)
Deferred revenue	32,000	186,000
Accrued liabilities	161,000	(36,000)
Net cash flows used in operating activities	(3,165,000)	(3,603,000)
Cash flows from investing activities:
Purchase of property and equipment	(74,000)	(18,000)
Net cash used for investing activities	(74,000)	(18,000)
Cash flows from financing activities:
Net proceeds from issuance of convertible notes and warrants	920,000	3,605,000
Net cash provided by financing activities	920,000	3,605,000
Discontinued Operations:
Net cash provided by operating activities		210,000
Net cash provided by investing activities		1,000,000
Net cash provided by discontinued operations		1,210,000
Effect of exchange rate changes on cash and cash equivalents	(8,000)	67,000
Net (decrease) increase in cash and cash equivalents	(2,327,000)	1,261,000
Cash and cash equivalents at beginning of period	2,585,000	1,324,000
Cash and cash equivalents at end of period	258,000	2,585,000
Supplemental disclosure of cash flow information:
Cash paid for interest	$ 217,000	$ 171,000