Summary of Operations and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Allowance for Doubtful Accounts

Our allowance for doubtful accounts activity is summarized as follows (in thousands):


	2015			2014			2013
Balance at January 1,
Allowance for doubtful accounts	$	291		$	242		$	381
Charges to expense		116			103			300
Write-offs of uncollectible accounts, net of recoveries		(139	)		(54	)		(439	)
Balance at December 31,

Allowance for doubtful accounts	$	268		$	291		$	242

Summary of Property, Equipment and Software Over Estimated Useful Life

Depreciation of property, equipment and software is calculated using either straight-line or accelerated methods over estimated useful lives of the related assets or lease terms, as follows:


		Years
Buildings		39
Office furniture and fixtures		7
Computer hardware and software		3-10
Aircraft		20
Leasehold improvements

Summary of Basic and Diluted Common Shares Outstanding

Basic and diluted shares outstanding are summarized as follows (in thousands):


	Year Ended December 31,
	2015		2014		2013
Weighted average number of basic shares outstanding		7,173		7,160		7,105
Effect of dilutive securities		180		0		292

Weighted average number of diluted shares outstanding		7,353		7,160		7,397