CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ (8,133)	$ 790
Adjustments to reconcile net income (loss) from operations to net cash provided by (used in) operations:
Depreciation, amortization, and impairment of intangible assets	5,734	6,020
Loss (gain) on disposal of assets		(49)
Deferred tax expense (benefit)	(349)	(13)
Stock-based compensation	1,229	1,809
Accounts receivable, net	(8,788)	7,181
Inventories, net	(5,792)	(2,414)
Contract assets	4,123	(4,282)
Accounts payable	4,448	(2,195)
Income taxes payable	(5,993)	(5,946)
Accrued expenses	(4,269)	(347)
Deferred compensation	(332)	(1,069)
Deferred revenue	(1,758)	3,468
Other assets and liabilities	(2,913)	(3,599)
Net cash used in operating activities	(22,793)	(646)
Cash flows from investing activities:
Purchase of short term investments	(12,829)
Maturities of short term investments	9,500	80,000
Purchase of Dealflo, net of cash acquired		(53,065)
Additions to property and equipment	(989)	(3,016)
Net cash provided by (used in) investing activities	(4,318)	23,919
Cash flows from financing activities:
Tax payments for restricted stock issuances	(266)	(233)
Net cash used in financing activities	(266)	(233)
Effect of exchange rate changes on cash	(205)	(269)
Net increase (decrease) in cash	(27,582)	22,771
Cash, cash equivalents, and restricted cash, beginning of period	77,555	78,661
Cash, cash equivalents, and restricted cash, end of period	$ 49,973	$ 101,432