Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Basic earnings (loss) per share computation:
Net income (loss) - basic	$ 831	$ (950)
Weighted average common shares - basic (in shares)	53,195,580	53,031,351
Basic earnings (loss) per share (in dollars per share)	$ 0.02	$ (0.02)
Dilutive earnings (loss) per share computation:
Net income (loss) - basic	$ 831	$ (950)
Net income (loss) - diluted	$ 831	$ (950)
Share Computation:
Weighted average common shares - basic (in shares)	53,195,580	53,031,351
Effect of dilutive stock options and RSU's (in shares)	0	0
Effect of convertible 3.75% senior notes (in shares)	0	0
Weighted average common shares outstanding - diluted (in shares)	53,195,580	53,031,351
Diluted earnings (loss) per share (in dollars per share)	$ 0.02	$ (0.02)
Senior Notes
Share Computation:
Stated interest rate	3.75%	3.75%

Contractual interest rate for funds borrowed, under the debt agreement.

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