Summary of Operations and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Summary of Allowance for Doubtful Accounts

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


	2013			2012			2011
Balance at January 1,
Allowance for doubtful accounts	$	381		$	452		$	374
Charges to expense		300			195			100
Write-offs of uncollectible accounts, net of recoveries		(439	)		(266	)		(22	)
Balance at December 31,

Allowance for doubtful accounts	$	242		$	381		$	452

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		Life of lease

Summary of Basic and Diluted Common Shares Outstanding

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


	Year Ended December 31,
	2013		2012		2011
Weighted average number of basic shares outstanding		7,105		7,723		10,082
Effect of dilutive securities		292		140		68

Weighted average number of diluted shares outstanding		7,397		7,863		10,150