Condensed Consolidated Statement of Equity (Unaudited) - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Total	Lynden Arrangement [Member]	Common Stock [Member]	Common Stock [Member] Lynden Arrangement [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Lynden Arrangement [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]
Beginning Balance, amount at Dec. 31, 2015	$ 199,873		$ 14		$ 358,086		$ (157,767)	$ (460)
Beginning Balance, shares at Dec. 31, 2015			13,835,128					(15,357)
Common stock issued, net of offering costs	47,125		$ 5		47,120
Common stock issued, net of offering costs, shares			4,753,770
Stock-based compensation expense	1,889				1,889
Stock issued during period for acquisitions		$ 45,699		$ 4		$ 45,695
Stock issued during period for acquisitions, shares				3,700,279
Net loss	(21,493)						(21,493)
Ending Balance, amount at Sep. 30, 2016	$ 273,093		$ 23		$ 452,790		$ (179,260)	$ (460)
Ending Balance, shares at Sep. 30, 2016			22,289,177					(15,357)