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Stock and Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Unvested Restricted Stock Units

The following table summarizes the activity for unvested restricted stock units for the years ended December 31, 2017 and 2016:

	Units				Weighted Average Fair Value Per RSU
Unvested restricted stock units at December 31, 2015		315,847			$	3.99
Awarded		31,327			$	2.81
Vested		(105,443)			$	4.66
Forfeited		(23,319)			$	5.12
Unvested restricted stock units at December 31, 2016		218,412			$	4.28
Awarded		56,759			$	1.48
Vested		(112,340)			$	3.99
Forfeited		(2,289)			$	4.41
Unvested restricted stock units at December 31, 2017		165,120			$	3.40

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Tabular disclosure of the change in restricted stock units (RSUs).

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