Warrants (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
	Dec. 31, 2015	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Warrants
Outstanding warrants	725,750	830,750	725,750	830,750
Warrants granted, exercise price per share	$ 20.00	$ 20.00	$ 20.00	$ 20.00
Warrant Reclassification	$ 3,100
Warrant, contractual term (in years)			10 years 6 months
Expense (benefit) from the change in fair value of warrant liability or settlement		$ 508		$ 118
Minimum
Warrants
Expiration dates of the warrants range			Apr. 20, 2020
Maximum
Warrants
Expiration dates of the warrants range			Sep. 23, 2020