Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Operating Activities
Net loss	$ (25,981)	$ (3,157)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	7,093	7,304
Impairment of goodwill	22,708
Profit on sale of property, plant and equipment	0	(251)
Provision for doubtful accounts	154	630
Warrant contra revenue	278	(0)
Share-based compensation expense	291	425
Deferred income taxes	1,879	(659)
Share of (loss) / Profit of equity accounted investee	8	(342)
Changes in operating assets and liabilities:
Trade accounts receivable	4,503	4,384
Prepaid expenses and other assets	(7,658)	(8,789)
Trade accounts payable	(4,722)	(79)
Income taxes, net	(672)	(948)
Accrued expenses and other current liabilities	12,287	1,105
Net cash (used in) / generated from operating activities	10,168	(377)
Investing Activities
Purchases of property, plant and equipment	(2,884)	(3,495)
Net cash used in generated investing activities	(2,884)	(3,495)
Financing Activities
Proceeds from the issuance of common stock	43	515
Payments on long term debt	(4,200)	(1,400)
Proceeds from (payments on) other debt, net	4,956	6,102
Net cash generated generated from financing activities	799	5,217
Net increase in cash and cash equivalents	8,083	1,345
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(1,052)	(226)
Cash and cash equivalents and restricted cash at beginning of period	32,626	24,569	$ 24,569
Cash and cash equivalents and restricted cash at end of period	39,657	25,688	32,626
Components of cash and cash equivalents and restricted cash
Balances with banks	27,795	14,595	20,464
Restricted cash	11,862	11,093
Cash and cash equivalents and restricted cash at end of period	$ 39,657	$ 25,688	$ 32,626