Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 15,589	$ 15,254
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,855	2,608
Deferred income taxes	472	996
Reserve for uncertain tax positions	(251)	92
Non-cash share-based compensation expense	609	995
Loss on disposal of property and equipment	40	2
Net changes in assets and liabilities:
Trade accounts receivable	(3,088)	3,955
Prepaid expenses and other current assets	118	(2,393)
Deferred contract costs, net	(259)	2
Operating lease assets and liabilities, net	(4)
Accounts payable	432	481
Accrued expenses, wages, bonuses and profit sharing	(222)	(2,371)
Income taxes receivable and payable	(881)	(1,235)
Deferred revenue	696	5
Net cash provided by operating activities	16,106	18,391
Cash flows from investing activities:
Purchases of property and equipment	(2,280)	(2,773)
Net cash used in investing activities	(2,280)	(2,773)
Cash flows from financing activities:
Payments related to Recapitalization		(72,370)
Proceeds from issuance of note payable		40,000
Borrowings on line of credit	16,500	1,000
Payments on line of credit	(15,500)	(1,000)
Payment of debt issuance costs		(187)
Payments on notes payable	(1,837)	(1,286)
Payments on finance lease obligations	(161)	(58)
Payment of employee payroll tax withholdings on share-based awards exercised	(483)	(712)
Payment of dividends on common stock	(21,837)	(8,445)
Net cash used in financing activities	(23,318)	(43,058)
Effect of exchange rate changes on cash	521	(595)
Change in cash and cash equivalents	(8,971)	(28,035)
Cash and cash equivalents at beginning of period	12,991	34,733
Cash and cash equivalents at end of period	4,020	6,698
Supplemental disclosure of cash paid for:
Interest, net of capitalized amounts	1,066	256
Income taxes	4,404	1,703
Supplemental disclosure of non-cash investing and financing activities:
Common stock (formerly class A) issued in the Recapitalization in exchange for then-existing class B shares and options.		121,371
Finance lease obligations originated for property and equipment	167	210
Stock tendered to the Company for cashless exercise of stock options in connection with equity incentive plans	$ 770	$ 4,919