Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Stock-Based Compensation:

Schedule of stock option activity

	Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (thousands)
Outstanding at December 31, 2014		447,923		$	8.74
Granted		974,424		$	1.84
Cancelled		(137,483	)	$	3.77
Outstanding at December 31, 2015		1,284,864		$	4.00		7.7	$	—
Exercisable at December 31, 2015		456,776		$	8.05		4.1	$	—

Schedule of weighted-average grant date fair value

Expected volatility		126.0	%
Risk-free interest rate		1.7	%
Dividend yield		—
Expected life in years		5.4
Weighted average grant date fair value	$	1.52

Schedule of restricted stock unit activity

	Shares			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2014		352,766		$	2.35
Granted		122,120		$	1.87
Vested		(262,689	)	$	2.34
Forfeited		(12,555	)	$	4.18
Nonvested units at December 31, 2015		199,642		$	2.87