Condensed Consolidated Interim Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Cash flows (used in) provided by operating activities:
Net (loss) income	$ (4,517)	$ (119)	$ (11,899)	$ 4,071
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization			6,536	3,021
Amortization of deferred charges			166	38
Share of loss (income) from joint ventures			213	(3,579)
Interest expense	598	437	1,339	974
Interest income	(46)	(93)	(49)	(476)
Interest paid on long-term debt			(1,909)	(1,018)
Unrealized foreign exchange gain/loss			161
Gain on settlement agreement				(4,681)
Loss on disposal of assets	40		40	6
Non-cash lease expense			(254)	(627)
Interest paid on finance lease	(1)	(1)	(1)	(2)
Share-based compensation			3,885	857
Deferred income taxes			(3,199)	(400)
Changes in non-cash working capital items			(10,239)	3,961
Net cash (used in) provided by operating activities			(15,210)	2,145
Cash flows used in investing activities:
Purchases of property, plant and equipment			(11,355)	(452)
Advances to joint ventures			(12)	(125)
Investment in joint ventures				(11,713)
Investment in minority interests			(1,001)
Net cash used in investing activities			(12,368)	(12,290)
Cash flows provided by financing activities:
Proceeds from borrowings			4,227	3,000
Repayments on borrowings			(6,026)	(2,652)
Proceeds from issuance of common stock and warrants			135,000	7,957
Issuance costs			(7,511)	(663)
Proceeds from exercise of stock options			186	122
Proceeds from exercise of warrants			18,495
Share re-purchases			(3,980)
Payments on capital lease obligations			(310)	(39)
Payment of note payable related to acquisition			(15,498)
Net cash provided by financing activities			124,583	7,725
Effect of exchange rate changes on cash and cash equivalents			502	(1)
Net increase in cash and cash equivalents			97,507	(2,421)
Cash and cash equivalents, beginning of period			25,679	11,989	$ 11,989
Cash and cash equivalents, end of period	$ 123,186	$ 9,568	$ 123,186	$ 9,568	$ 25,679

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