Consolidated Statements of Shareholders' Equity (USD $) Share data in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance, Amount at Dec. 31, 2011	$ 690,000	$ 44,232,000	$ (32,708,000)	$ (872,000)	$ 11,342,000
Balance, Shares (in Shares) at Dec. 31, 2011	6,895
Option exercises, Amount	17,000	818,000			835,000
Option exercises, Shares (in Shares)	177				177
Stock forfeited under restricted stock plan, net of stock issued, Amount	(6,000)	6,000
Stock forfeited under restricted stock plan, net of stock issued, Shares (in Shares)	(66)
Amortization of restricted stock and stock option plan compensation		674,000			674,000
Foreign currency translation				(14,000)	(14,000)
Unrealized holding period gain loss				1,000	1,000
Net loss			(3,785,000)		(3,785,000)
Balance, Amount at Dec. 31, 2012	701,000	45,730,000	(36,493,000)	(885,000)	9,053,000
Balance, Shares (in Shares) at Dec. 31, 2012	7,006
Option exercises, Amount	1,000	25,000			26,000
Option exercises, Shares (in Shares)	15				15
Stock forfeited under restricted stock plan, net of stock issued, Amount	(1,000)	1,000
Stock forfeited under restricted stock plan, net of stock issued, Shares (in Shares)	(10)
Amortization of restricted stock and stock option plan compensation		686,000			686,000
Foreign currency translation				(37,000)	(37,000)
Unrealized holding period gain loss				(3,000)	(3,000)
Net loss			(2,703,000)		(2,703,000)
Balance, Amount at Dec. 31, 2013	701,000	46,442,000	(39,196,000)	(925,000)	7,022,000
Balance, Shares (in Shares) at Dec. 31, 2013	7,011
Issuance of common stock	137,000	3,212,000			3,349,000
Issuance of common stock (in Shares)	1,367
Option exercises, Amount	1,000	26,000			27,000
Option exercises, Shares (in Shares)	18				18
Stock forfeited under restricted stock plan, net of stock issued, Amount	0	0
Stock forfeited under restricted stock plan, net of stock issued, Shares (in Shares)	(2)
Amortization of restricted stock and stock option plan compensation		477,000			477,000
Foreign currency translation				83,000	83,000
Unrealized holding period gain loss				7,000	7,000
Realized loss on marketable securities				203,000	203,000
Net loss			(5,159,000)		(5,159,000)
Balance, Amount at Dec. 31, 2014	$ 839,000	$ 50,157,000	$ (44,355,000)	$ (632,000)	$ 6,009,000
Balance, Shares (in Shares) at Dec. 31, 2014	8,394