Condensed Consolidated Statements of Equity (USD $) In Thousands, except Share data	Total		Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income	Noncontrolling Interest
Beginning Balances at Dec. 31, 2012
Other comprehensive loss							$ (152)
Ending Balances at Dec. 31, 2013	24,744	[1]	8	348,912	(2,777)	(320,876)	1,227	(1,750)
Beginning Balances (in shares) at Dec. 31, 2013			7,507,000
Net loss	(7,779)					(7,744)		(35)
Other comprehensive loss	181						167	14
Issuance of common stock in connection with capital raise	4,171			4,171
Issuance of common stock in connection with capital raise (in shares)			503,000
Issuance of common stock in connection with ESPP	35			35
Issuance of common stock in connection with ESPP (in shares)			7,000
Issuance of common stock in connection with stock bonus and incentive plans	356			356
Issuance of common stock in connection with stock bonus and incentive plans (in shares)			42,000
Stock options grants in connection with stock bonus and incentive plans	37			37
Issuance of common stock in connection with exercise of options and warrants	11			11
Issuance of common stock in connection with exercise of options and warrants (in shares)			5,000
Stock-based compensation expense	562			562
Stock-based compensation expense (in shares)			5,000
Issuance of warrants in connection with secured debt facility	824			824
Ending Balances at Jun. 30, 2014	$ 23,142		$ 8	$ 354,908	$ (2,777)	$ (328,620)	$ 1,394	$ (1,771)
Ending Balances (in shares) at Jun. 30, 2014			8,069,000

[1] The condensed consolidated balance sheet has been derived from the audited consolidated financial statements at December 31, 2013 but does not include all the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.