CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities
Net (loss) income	$ (9,878)	$ 11,865
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization	2,587	4,420
Amortization of deferred loan cost	83	84
Share-based compensation	3,058	2,374
Provision for inventory obsolescence	(98)	408
Deferred income tax expense (benefit)	9,136	(1,186)
Gain on sale of property and equipment	(50)	(17)
Change in fair value of contingent consideration	37	(1,353)
Provision for doubtful accounts	573
Payment of contingent consideration	(3,042)
Changes in operating assets and liabilities:
Accounts receivable—trade	(6,312)	(13,350)
Inventories	(1,303)	1,838
Prepaid expenses and other assets	326	(477)
Accounts payable—trade	3,462	2,709
Accrued expenses	(1,177)	(2,543)
Other liabilities	(777)	508
Income taxes receivable/payable	364	(13,579)
Net cash provided by (used in) operating activities	(3,011)	(8,299)
Cash flows from investing activities
Purchases of property and equipment	(2,505)	(1,121)
Purchase and development of software and technology	(491)	(55)
Proceeds from sales of property and equipment	169	110
Net cash used in investing activities	(2,827)	(1,066)
Cash flows from financing activities
Equipment note borrowings	835
Payments on equipment note and finance leases	(1,319)	(490)
Promissory note borrowings		1,951
Payments on promissory note		(1,850)
Payment of contingent consideration	(6,958)
Proceeds from the exercise of options for common stock		353
Treasury shares withheld	(309)
Proceeds from the issuance of ESPP shares	677
Distribution to noncontrolling interest	(600)
Net cash used in financing activities	(7,674)	(36)
Effect of exchange rate changes on cash and cash equivalents	365	(728)
Net change in cash and cash equivalents	(13,147)	(10,129)
Cash and cash equivalents beginning of period	25,131	33,809
Cash and cash equivalents end of period	11,984	23,680
Supplemental cash flow information
Cash paid for income taxes (net of refunds)	$ 61	$ 15,452

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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No definition available.

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