Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 5,173,000	$ 3,480,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	968,000	1,015,000
Deferred income taxes	737,000	(63,000)
Non-cash share-based compensation expense	536,000	184,000
Tax benefit from exercise of stock options	38,000	14,000
Non-cash change in uncertain tax positions	$ (119,000)	13,000
Write off of purchase option		657,000
Net changes in assets and liabilities:
Trade accounts receivable	$ (4,167,000)	(3,838,000)
Unbilled revenue	33,000	(177,000)
Prepaid expenses	(254,000)	(374,000)
Accounts payable	469,000	(141,000)
Accrued expenses, wages, bonuses and profit sharing	58,000	67,000
Income taxes receivable and payable	(2,451,000)	378,000
Deferred revenue	3,013,000	363,000
Net cash provided by operating activities	4,034,000	1,578,000
Cash flows from investing activities:
Purchases of property and equipment	(1,084,000)	(757,000)
Net cash used in investing activities	(1,084,000)	(757,000)
Cash flows from financing activities:
Payments on notes payable	(594,000)	(576,000)
Payments on capital lease obligations	(25,000)	$ (50,000)
Proceeds from exercise of stock options	547,000
Common stock withheld for payroll tax on share based compensation	(147,000)	$ (92,000)
Cash paid for non-controlling interest	(2,000,000)
Excess tax benefit from share-based compensation	333,000	$ 94,000
Payment of dividends on common stock	(18,440,000)	(2,511,000)
Net cash used in financing activities	(20,326,000)	(3,135,000)
Effect of exchange rate changes on cash	597,000	(718,000)
Decrease in cash and cash equivalents	(16,779,000)	(3,032,000)
Cash and cash equivalents at beginning of period	42,145,000	40,042,000
Cash and cash equivalents at end of period	25,366,000	37,010,000
Supplemental disclosure of cash paid for:
Interest, net of capitalized amounts	83,000	59,000
Income taxes	$ 4,361,000	$ 1,893,000