Redeemable Preferred Stock and Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Accumulated comprehensive income / (loss)	Accumulated deficit	Total shareholders' equity	Non-controlling interest	Redeemable Convertible Preferred stock
Balance at Dec. 31, 2013	$ 12,888	$ 9	$ 304,886	$ (281)	$ (293,833)	$ 10,781	$ 2,107
Balance (in shares) at Dec. 31, 2013		8,849						9
At-The-Market issuances	$ 1,466	$ 2	1,464			$ 1,466
At-The-Market issuances (in shares)		1,403
Preferred share dividends issued
Preferred share dividends issued (in shares)								1
Acquisition of Draft Day	$ 190		190			$ 190
Acquisition of Draft Day (in shares)		95
Acquisition of non-controlling interest	(11)		1,219			1,219	(1,230)
Acquisition of non-controlling interest (in shares)		53
Warrants issued for services	80		80			80
Stock-based compensation	290		290			290
Stock-based compensation (in Shares)		147
Stock issued for services	159		159			159
Stock issued for services (in shares)		185
Net loss for the period	(5,765)				(5,330)	(5,330)	(435)
Balance at Dec. 31, 2014	9,297	$ 11	308,288	(281)	(299,163)	8,855	442
Balance (in shares) at Dec. 31, 2014		10,732						10
At-The-Market issuances	$ 1,644	$ 3	1,641			$ 1,644
At-The-Market issuances (in shares)		3,155
Preferred share dividends issued
Preferred share dividends issued (in shares)								1
Transfers from the non-controlling interest			96			$ 96	(96)
Stock-based compensation	$ 130		130			130
Stock-based compensation (in Shares)								186
Stock issued for services	161		161			161
Stock issued for services (in shares)		366
Sale of Common stock	855	$ 4	851			855
Sale of Common stock (in shares)		3,489
Net loss for the period	(5,122)				(4,781)	(4,781)	(341)
Other comprehensive loss	(925)			(925)		(925)
Balance at Dec. 31, 2015	$ 6,040	$ 18	$ 311,167	$ (1,206)	$ (303,944)	$ 6,035	$ 5
Balance (in shares) at Dec. 31, 2015		17,928						11