Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended	12 Months Ended
		Jun. 30, 2015	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares, outstanding - beginning of year		354,000	354,000
Number of Shares, Granted		50,000
Number of Shares, Exercised
Number of Shares, Expired		(3,000)
Number of Shares, Forfeited		(54,000)
Number of Shares, outstanding - end of period		347,000
Number of Shares, exercisable - end of period		155,750
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price per Share, outstanding - beginning of year	[1]	$ 6.30	$ 6.30
Weighted Average Exercise Price per Share, Granted		2.73
Weighted Average Exercise Price per Share, expired		9.22
Weighted Average Exercise Price per Share, Forfeited		5.57
Weighted Average Exercise Price per Share, outstanding - end of period	[1]	5.88
Weighted Average Exercise Price per Share, exercisable - end of period	[1]	$ 7.23
Options outstanding, weighted average remaining contractual term		6 years 10 months 25 days	7 years
Granted, weighted average remaining contractual term		5 years
Options exercisable, weighted average remaining contractual term		5 years 2 months 12 days
Outstanding Intrinsic Value		$ 37,000

[1] Weighted Average Exercise Price