CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) shares
Shares surrendered for tax withholdings (in shares)	901,691
Tax withholdings \| $	$ 2,039
Options
Shares tendered in payment of exercise price and taxes (in shares)	1,116,783
Warrant
Shares tendered in payment of exercise price and taxes (in shares)	846,789
Preferred Stock
Underwriting discount and expenses \| $	$ 682