Consolidated Statements of Stockholders` Equity (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2011	$ 72,000	$ 185,473,000	$ (716,000)	$ (164,961,000)	$ 19,868,000
Balance (in Shares) at Dec. 31, 2011	7,219,000
Net loss				(9,660,000)	(9,660,000)
Other comprehensive income			604,000		604,000
Issuance of warrants with shareholder note		70,000			70,000
Stock-based compensation plans	1,000	569,000			570,000
Stock-based compensation plans (in Shares)	12,000
Consultant stock-based compensation expense		(6,000)			(6,000)
Consultant stock-based compensation expense (in Shares)	23,000
Balance at Dec. 31, 2012	73,000	186,106,000	(112,000)	(174,621,000)	11,446,000
Balance (in Shares) at Dec. 31, 2012	7,254,000
Net loss				(7,098,000)	(7,098,000)
Other comprehensive income			(924,000)		(924,000)
Proceeds from equity offering, net of costs of $363	17,000	1,106,000			1,123,000
Proceeds from equity offering, net of costs of $363 (in Shares)	1,730,000
Proceeds from private placement		99,000			99,000
Proceeds from private placement (in Shares)	54,000
Issuance of common stock as payment of accrued interest and payment premium on shareholder note	2,000	160,000			162,000
Issuance of common stock as payment of accrued interest and payment premium on shareholder note (in Shares)	188,000
Stock-based compensation plans	1,000	637,000			638,000
Stock-based compensation plans (in Shares)	73,000
Balance at Dec. 31, 2013	$ 93,000	$ 188,108,000	$ (1,036,000)	$ (181,719,000)	$ 5,446,000
Balance (in Shares) at Dec. 31, 2013	9,299,000