Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Preferred Stock	Common Stock	Note Receivable for Stock Purchase	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Total Stockholders' Equity	Noncontrolling Interest	Total
Beginning Balance, Shares at Dec. 31, 2013	211,135	388,686,445
Beginning Balance, Amount at Dec. 31, 2013	$ 0	$ 389	$ 0	$ 165,759	$ (165)	$ (154,281)	$ 11,702	$ (203)	$ 11,499
Net income (loss)						5,369	5,369		5,369
Deconsolidation of non-controlling interest								203	203
Foreign currency translation adjustment					(110)		(110)		(110)
Beneficial conversion feature of convertible notes payable				1,053			1,053		1,053
Issuance of common stock pursuant to the exercise of warrants, shares		2,750,000
Issuance of common stock pursuant to the exercise of warrants, amount		$ 1		369			370		370
Issuance of common stock pursuant to the exercise of stock options, shares		10,250
Issuance of common stock pursuant to the exercise of stock options, amount		$ 0		5			5		5
Issuance of common stock pursuant to the conversion of preferred stock and accrued dividends, shares	(50,000)	300,164
Issuance of common stock pursuant to the conversion of preferred stock, amount	$ 0	$ 0		25			25		25
Repurchase of common stock, shares		(1,445,547)
Repurchase of common stock, amount		$ 0		(344)			(344)		(344)
Dividends on preferred stock				(15)			(15)		(15)
Warrant modification expense									0
Stock based compensation expense							534		534
Ending Balance, Shares at Dec. 31, 2014	161,135	390,301,312
Ending Balance, Amount at Dec. 31, 2014	$ 0	$ 390	0	167,386	(275)	(148,912)	18,589	0	18,589
Net income (loss)						(1,706)	(1,706)		$ (1,706)
Deconsolidation of non-controlling interest
Foreign currency translation adjustment					(51)		(51)		$ (51)
Beneficial conversion feature of convertible notes payable				10			10		10
Issuance of common stock pursuant to Notes Payable, shares		2,450,000
Issuance of common stock pursuant to Notes Payable, amount		$ 2		585			587		587
Issuance of warrants pursuant to Convertible Notes Payable debt financing				384			384		384
Issuance of common stock pursuant to the exercise of warrants, shares		806,250
Issuance of common stock pursuant to the exercise of warrants, amount		$ 1		201			202		202
Issuance of common stock pursuant to the exercise of stock options, shares		369,675
Issuance of common stock pursuant to the exercise of stock options, amount		$ 0		70			70		70
Repurchase of common stock, shares		(1,344,222)
Repurchase of common stock, amount		$ 0		(426)			(426)		(426)
Dividends on preferred stock				(12)			(12)		(12)
Warrant modification expense				253			253		253
Warrant liability reclassified to equity				526			526		526
Stock based compensation expense				455			455		455
Ending Balance, Shares at Dec. 31, 2015	161,135	392,583,015
Ending Balance, Amount at Dec. 31, 2015	$ 0	$ 393	$ 0	$ 169,432	$ (326)	$ (150,618)	$ 18,881	$ 0	$ 18,881