Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flow from operating activities
Net Income	$ 10,350	$ 15,679	$ 16,165
Adjustments:
Depreciation and amortization expense	2,974	2,796	2,919
Equity-based compensation expense	3,088	2,647	2,236
Deferred income taxes	204	(350)	116
Deferred compensation	(103)	128	600
Loss on disposals of property, equipment and capitalized software	1,546	0	20
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	(2,594)	5,213	(2,239)
(Increase) decrease in prepaid and other current assets	(189)	(154)	403
(Increase) decrease in other assets	(1,537)	(1,610)	50
Decrease in accounts payable	(2,372)	(2,607)	(293)
Increase (decrease) in accrued compensation	(3,230)	(1,107)	1,002
Decrease in income taxes payable	(2,261)	(232)	(1,067)
Increase (decrease) in advance billings on contracts	(431)	(361)	707
Increase (decrease) in other current liabilities	1,050	(869)	732
Increase (decrease) in other long-term liabilities	213	(182)	(195)
Net cash provided by operating activities	6,708	18,991	21,156
Cash flow from investing activities:
Acquisition of business, net of cash received	0	(2,488)	0
Additions to property and equipment	(1,410)	(2,266)	(1,872)
Additions to capitalized software	(1,683)	(1,686)	0
Deferred compensation plan investments, net	(109)	269	113
Proceeds from sales of property and equipment	0	0	5
Net cash used in investing activities	(2,984)	(6,709)	(1,980)
Cash flow from financing activities:
Proceeds from stock option plan exercises	1,241	561	1,144
Excess tax benefits from equity-based compensation	1,964	1,119	2,615
Proceeds from Employee Stock Purchase Plan	323	368	294
Change in cash overdraft, net	(424)	506	(777)
Dividends paid	(3,422)	(2,274)	0
Purchase of stock for treasury	(7,432)	(7,343)	(4,591)
Net cash used in financing activities	(7,750)	(7,063)	(1,315)
Effect of exchange rates on cash and cash equivalents	(1,339)	394	339
Net increase (decrease) in cash and cash equivalents	(5,365)	5,613	18,200
Cash and cash equivalents at beginning of year	46,227	40,614	22,414
Cash and cash equivalents at end of year	$ 40,862	$ 46,227	$ 40,614