Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
OPERATING ACTIVITIES:
Net (loss)	$ (82,181,000)	$ (28,747,000)
Adjustments to reconcile consolidated net (loss) to net cash (used in) operating activities:
Depreciation and amortization	18,750,000	20,278,000
Amortization of debt financing fees	1,304,000	1,304,000
Impairment of intangible assets	10,354,000	18,815,000
Goodwill impairment	15,955,000	0
Fixed asset impairment and other	10,089,000	0
Non-cash stock compensation expense	4,720,000	5,508,000
Deferred income taxes, net	(28,000)	(7,833,000)
Other	(31,000)	218,000
Changes in operating assets and liabilities:
Other non-current assets	584,000	37,000
Trade accounts receivable	(21,283,000)	(35,508,000)
Inventories, net	10,819,000	(9,292,000)
Prepaid expenses and other current assets	1,079,000	11,997,000
Trade accounts payable	722,000	11,318,000
Accrued Legal Fees	(2,703,000)	(12,853,000)
FIN 48 Reserve	1,420,000	512,000
Accrued expenses and other liabilities	(33,000)	(7,345,000)
NET CASH (USED IN) OPERATING ACTIVITIES	(30,463,000)	(31,591,000)
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(10,059,000)	(22,340,000)
NET CASH (USED IN) INVESTING ACTIVITIES	(10,059,000)	(22,340,000)
FINANCING ACTIVITIES:
Proceeds from the exercise of stock options	0	546,000
Stock compensation plan withholdings for employee taxes	(116,000)	0
Payment of contingent acquisition liabilities	0	(4,793,000)
Lease payments	(335,000)	(3,000)
NET CASH (USED IN) FINANCING ACTIVITIES	(451,000)	(4,250,000)
Effect of exchange rate changes on cash and cash equivalents	54,000	41,000
(DECREASE) IN CASH AND CASH EQUIVALENTS	(40,919,000)	(58,140,000)
Cash and cash equivalents, and restricted cash at beginning of period	225,794,000	369,889,000
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	184,875,000	311,749,000
SUPPLEMENTAL DISCLOSURES:
Amount paid for interest	16,314,000	12,262,000
Amount (received) paid for income taxes, net	(14,526,000)	8,205,000
Additional capital expenditures included in accounts payable	$ 4,641,000	$ 8,227,000