Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 11,683,000	$ 14,057,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,109,000	2,810,000
Deferred income taxes	(544,000)	(81,000)
Non-cash share-based compensation expense	925,000	398,000
Tax benefit from exercise of stock options	$ 14,000	73,000
Loss on disposal of property and equipment		1,000
Reserve for uncertain tax positions	$ 36,000	$ 25,000
Write off of purchase option	657,000
Net changes in assets and liabilities:
Trade accounts receivable	(5,101,000)	$ 41,000
Unbilled revenue	35,000	144,000
Prepaid expenses	(279,000)	(176,000)
Accounts payable	247,000	(47,000)
Accrued expenses, wages, bonuses and profit sharing	1,010,000	124,000
Income taxes receivable and payable	53,000	227,000
Deferred revenue	2,931,000	3,020,000
Net cash provided by operating activities	14,776,000	20,616,000
Cash flows from investing activities:
Purchases of property and equipment	(2,207,000)	(2,100,000)
Net cash used in investing activities	(2,207,000)	(2,100,000)
Cash flows from financing activities:
Payments on notes payable	(1,740,000)	(1,686,000)
Payments on capital lease obligations	(148,000)	(117,000)
Proceeds from exercise of stock options		408,000
Common stock withheld for payroll tax on share based compensation	(92,000)	$ (308,000)
Cash paid for non-controlling interest	(2,789,000)
Excess tax benefit from share-based compensation	107,000	$ 531,000
Purchase of treasury stock	(1,629,000)
Payment of dividends on common stock	(7,545,000)
Net cash used in financing activities	(13,836,000)	(1,172,000)
Effect of exchange rate changes on cash	(1,195,000)	(373,000)
(Decrease) increase in cash and cash equivalents	(2,462,000)	16,971,000
Cash and cash equivalents at beginning of period	40,042,000	22,092,000
Cash and cash equivalents at end of period	37,580,000	39,063,000
Supplemental disclosure of cash paid for:
Interest, net of capitalized amounts	162,000	218,000
Income taxes	7,339,000	7,054,000
Supplemental disclosure of non-cash investing and financing activities:
Assets purchased under capital lease	$ 20,000	$ 248,000