Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating activities
Income from continuing and discontinued operations	$ 4,231	$ 9,726
less: Income (loss) from discontinued operations, net of tax	(4,516)	(10,819)
Income (loss) from continuing operations, net of tax	(285)	(1,093)
Adjustments to reconcile net income (loss) to net cash generated from operating activities:
Depreciation and amortization	22,593	23,601
Impairment of goodwill	8,052	0
Profit on sale of property, plant and equipment	59	(106)
Provision/(reversal) for doubtful accounts	(49)	24
Amortization of debt issuance costs (including loss on extinguishment of debt)	1,825	11,607
Amortization of call option premium	1,800	1,200
Mark to market loss on derivative instrument	113	0
Warrant contra revenue	(0)	(87)
Share-based compensation expense	1,551	1,418
Impairment of right-of-use assets	1,110	4,514
Deferred income taxes	(3,207)	138
Share of income of equity accounted investee (includes gain on disposal of $8,499 in Q4 2022)	(13,995)	(6,681)
Changes in operating assets and liabilities:
Trade accounts receivables	(4,418)	(9,347)
Prepaid expenses and other assets	(1,380)	1,261
Trade accounts payable	(2,356)	(5,231)
Income taxes, net	1,501	2,528
Accrued expenses and other liabilities	(4,702)	(5,595)
Net cash generated from by operating activities from continuing operations	8,212	18,151
Net cash generated from/used in operating activities from discontinued operations	16,642	10,033
Net cash generated from operating activities	24,854	28,184
Investing activities
Purchase of property, plant and equipment and intangible assets, net	(12,028)	(9,927)
Investment in equity-accounted investees	0	(25,000)
Payments for call option premium	0	(3,000)
Proceeds from redemption of equity-accounted investees	45,683	104
Net cash generated from/used in investing activities from continuing operations	33,655	(37,823)
Net cash generated from/used in investing activities from discontinued operations	(173)	(6,699)
Net cash generated from/used in investing activities	33,482	(44,522)
Financing activities
Proceeds from the issuance of common stock	386	1,510
Proceeds from long term debt (net of debt issuance cost paid to lenders)	0	156,525
Payments of long term debt	(4,124)	(117,600)
Payments for loan fees related to long term debt	0	(2,794)
Proceeds from a line of credit, net	10,943	0
Payments of other borrowings, net	(2,466)	(13,726)
Common stock repurchases	(1,837)	(1,912)
Net cash generated from/used in financing activities from continuing operations	2,902	22,003
Net cash generated from/used in financing activities from discontinued operations	303	70
Net cash generated from/used in financing activities	3,205	22,073
Net increase in cash and cash equivalents	61,541	5,735
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(1,791)	(898)
Cash and cash equivalents and restricted cash at beginning of year	55,396	50,559
Cash and cash equivalents and restricted cash at end of year	115,146	55,396
Less: Cash and cash equivalents from discontinued operations	(42,743)	(21,313)
Cash and cash equivalents and restricted cash of continuing operations at end of year	72,403	34,083
Components of cash and cash equivalents and restricted cash
Balances with banks	22,457	32,068
Restricted cash	49,946	2,015
Total cash and cash equivalents and restricted cash	72,403	34,083
Supplemental disclosure of cash flow information
Cash paid for interest and other finance cost	11,109	21,077
Cash paid for income taxes	4,832	3,954
Supplemental disclosure of non-cash activities
Non-cash warrant contra revenue	0	(87)
Non-cash share-based compensation expenses	$ 1,551	$ 1,418