Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 16,426	$ 14,793
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,376	3,146
Deferred income taxes	184	905
Reserve for uncertain tax positions	112	(42)
Non-cash share-based compensation expense	1,273	1,548
Net changes in assets and liabilities:
Trade accounts receivable	(2,574)	(4,197)
Unbilled revenue	276	141
Prepaid expenses	(1,274)	(315)
Accounts payable	(108)	73
Accrued expenses, wages, bonuses and profit sharing	(293)	(90)
Income taxes receivable and payable	1,157	(476)
Deferred revenue	2,925	2,533
Net cash provided by operating activities	21,480	18,019
Cash flows from investing activities:
Purchase of equity investment	(1,300)
Purchase of intangible Content License	(250)
Purchases of property and equipment	(3,347)	(3,066)
Net cash used in investing activities	(4,897)	(3,066)
Cash flows from financing activities:
Payments on notes payable	(1,847)	(1,795)
Payments on capital lease obligations	(81)	(73)
Cash paid for non-controlling interest		(2,000)
Proceeds from exercise of stock options		548
Payment of employee payroll tax withholdings on share-based awards exercised	(105)	(204)
Payment of dividends on common stock	(12,649)	(25,180)
Net cash used in financing activities	(14,682)	(28,704)
Effect of exchange rate changes on cash	828	484
Change in cash and cash equivalents	2,729	(13,267)
Cash and cash equivalents at beginning of period	33,021	42,145
Cash and cash equivalents at end of period	35,750	28,878
Supplemental disclosure of cash paid for:
Interest, net of capitalized amounts	65	152
Income taxes	7,749	7,254
Supplemental disclosure of non-cash investing and financing activities:
Capital lease obligations originated for property and equipment	74	109
Stock tendered to the Company for cashless exercise of stock options in connection with equity incentive plans	$ 2,123	$ 397