Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities
Net income	$ 10,177	$ 9,891
Adjustments to reconcile net income to net cash provided by operating activities:
Non-cash equity compensation	2,618	2,641
Depreciation and amortization	7,253	7,147
Other adjustments, net	5,944	1,152
Changes in operating assets and liabilities, net of the effect of acquisitions:
Contract receivables, net	3,094	(19,460)
Prepaid expenses and other assets	(2,170)	(5,812)
Accounts payable	(16,583)	(12,441)
Accrued salaries and benefits	6,058	5,154
Accrued expenses and other current liabilities	(7,304)	(3,848)
Deferred revenue	(2,206)	(812)
Income tax receivable and payable	(1,475)	3,645
Restricted cash	603	(12)
Other liabilities	696	(622)
Net Cash Provided by (Used in) Operating Activities	6,705	(13,377)
Cash Flows from Investing Activities
Capital expenditures for property and equipment and capitalized software	(2,571)	(4,184)
Payments for business acquisitions, net of cash received	(91)
Net Cash Used in Investing Activities	(2,662)	(4,184)
Cash Flows from Financing Activities
Advances from working capital facilities	127,179	123,279
Payments on working capital facilities	(110,725)	(96,881)
Payments on capital expenditure obligations	(1,454)	(1,010)
Proceeds from exercise of options	2,095
Net payments for stockholder issuances and buybacks	(19,014)	(6,664)
Net Cash (Used in) Provided by Financing Activities	(1,919)	18,724
Effect of exchange rate changes on cash	41	449
Increase in Cash and Cash Equivalents	2,165	1,612
Cash and Cash Equivalents, Beginning of Period	6,042	7,747
Cash and Cash Equivalents, End of Period	8,207	9,359
Supplemental Disclosure of Cash Flow Information
Interest	1,988	1,485
Income taxes	$ 1,296	$ 587