Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the computation of basic and diluted earnings per share:

	December 31,
	2016		2015		2014
Net income	$	15,413	$	17,132	$	6,797
Weighted average shares outstanding:
Basic	18,540		18,334		18,210
Effect of dilutive securities:
Restricted stock units	347		234		155
Performance stock units	151		147		67
Diluted	19,038		18,715		18,432
Basic earnings per share	$	0.83	$	0.93	$	0.37
Diluted earnings per share	$	0.81	$	0.92	$	0.37

Summary of Estimated Useful Life of Property and Equipment

Property and Equipment

Property and equipment are stated at cost. Depreciation is computed using the straight-line method over the estimated useful life of the asset or, for leasehold improvements, the shorter of the lease term or the estimated useful life of the asset, as follows:    

Office furniture, fixtures and equipment	5–10 years
Computer equipment and software	3–7 years

Depreciation is calculated for tax purposes using accelerated methods, where applicable.