Consolidated Statements of Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balances at Dec. 31, 2010
Issuance of common stock		$ 463			$ 463
Issuance of common stock (in Shares)	412
Issuance of common stock under employee stock option and stock purchase plans		47			47
Issuance of common stock under employee stock option and stock purchase plans (in Shares)	157
Stock-based compensation		319			319
Stock-based compensation (in Shares)	215
Stock options exercised (in Shares)	7				(7,500)
Warrants issued		33			33
Warrants exercised		6			6
Warrants exercised (in Shares)	160
Foreign currency translation adjustment			(3)		(3)
Net loss				(6,055)	(6,055)
Balances at Dec. 31, 2011	1	75,962	420	(74,915)	1,468
Balances (in Shares) at Dec. 31, 2011	24,913
Issuance of common stock	3	4,798			4,801
Issuance of common stock (in Shares)	19,600
Issuance of common stock under employee stock option and stock purchase plans		25			25
Issuance of common stock under employee stock option and stock purchase plans (in Shares)	186
Stock-based compensation		200			200
Foreign currency translation adjustment			40		40
Net loss				(5,709)	(5,709)
Balances at Dec. 31, 2012	4	80,985	460	(80,624)	825
Balances (in Shares) at Dec. 31, 2012	44,699
Issuance of common stock		2			2
Issuance of common stock (in Shares)	5
Issuance of common stock under employee stock option and stock purchase plans		45			45
Issuance of common stock under employee stock option and stock purchase plans (in Shares)	196
Convertible debt issued for financing		2,697			2,697
Issuance of common stock for conversion of convertible debt	1	1,500			1,501
Issuance of common stock for conversion of convertible debt (in Shares)	6,522
Stock-based compensation		202			202
Stock options exercised (in Shares)					(20,000)
Warrants issued		11			11
Foreign currency translation adjustment			2		2
Net loss				(2,361)	(2,361)
Balances at Dec. 31, 2013	$ 5	$ 85,442	$ 462	$ (82,985)	$ 2,924
Balances (in Shares) at Dec. 31, 2013	51,422