CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (270,901,000)	$ (109,681,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	57,015,000	81,573,000
Share compensation	4,932,000	1,965,000
Impairment of intangibles	283,747,000	17,903,000
Impairment of goodwill	0	86,318,000
Deferred income tax benefit	(26,794,000)	(15,513,000)
Loss on sale of fixed and leased assets	173,000	93,000
Bad debt provision	(164,000)	(1,771,000)
Amortization of deferred financing and loan origination fees	1,337,000	1,652,000
Write off of deferred financing fees in connection with prepayment		876,000
Change in operating assets and liabilities:
Trade accounts receivable, net	12,674,000	(17,041,000)
Inventories, net	3,078,000	(7,436,000)
Prepaid expenses and other current assets	9,177,000	4,549,000
Trade accounts payable	(16,375,000)	(11,326,000)
Accrued and other current liabilities	(24,332,000)	5,397,000
Net cash provided by operating activities	33,567,000	37,558,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale of fixed and leased assets	17,000	10,000
Payments on disposal of leased assets	(74,000)
Purchase of property, plant and equipment	(3,963,000)	(4,144,000)
Net cash used in investing activities	(4,020,000)	(4,134,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments to affiliates		(2,000)
Payments on finance lease obligations, ASC842	(130,000)
Payments on finance lease obligations, ASC840		(112,000)
Proceeds from initial public offering and private placement, net of issuance costs		58,084,000
Debt repayment		(56,140,000)
Repurchases of ordinary shares	(2,787,000)
Proceeds from insurance financing loan	1,314,000	2,745,000
Repayment of insurance financing loan	(3,088,000)	(971,000)
Net cash provided by (used in) financing activities	(4,691,000)	3,604,000
Net change in cash and cash equivalents	24,856,000	37,028,000
Effect on cash of changes in exchange rate	175,000	(938,000)
Cash and cash equivalents, beginning of period	70,834,000	34,744,000
Cash and cash equivalents, end of period	95,865,000	70,834,000
Supplemental disclosure of cash and non‑cash transactions:
Cash paid for interest	15,181,000	19,619,000
Cash paid for taxes	$ 1,290,000	$ 2,638,000