QUARTERLY FINANCIAL DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended									12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	[1]	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net revenues	$ 18,035	$ 19,972	$ 19,516	$ 18,799	$ 21,037		$ 17,387	$ 6,647	$ 10,899	$ 76,322	$ 55,970	$ 30,082
Total operating expenses	11,767	11,521	11,102	9,232	10,265		9,188	9,107	7,404	43,622	35,964	29,184
Operating income/(loss) from continuing operations	6,268	8,451	8,414	9,567	10,772		8,199	(2,460)	3,495	32,700	20,006	898
Net Income from Continuing Operations	$ 2,876	$ 4,559	$ 3,571	$ 4,369	$ 21,005		$ 6,746	$ (2,363)	$ 3,359	$ 15,375	$ 28,747	$ 106
Basic and diluted income/(loss) from continuing operations per share:
Basic income/(loss) per share from continuing operations (in dollars per share)	$ 0.25	$ 0.40	$ 0.31	$ 0.38	$ 1.85		$ 0.59	$ (0.21)	$ 0.33	$ 1.34	$ 2.61	$ (0.92)
Diluted income/(loss) per share from continuing operations (in dollars per share)	$ 0.25	$ 0.39	$ 0.31	$ 0.38	$ 1.82		$ 0.59	$ (0.21)	$ 0.33	$ 1.32	$ 2.59	$ (0.92)

[1] Net income from continuing operations, Basic income per share from continuing operations, and Diluted income per share from continuing operations for the fourth quarter of 2014 include the impact of an income tax benefit to reverse $16.7 million of the valuation allowance preiously recorded against our deferred tax assets.