Note 19 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

Years Ended December 31,	2021			2020			2019
Domestic	$	(17,914	)	$	(292	)	$	(47,867	)
Foreign	8,418			8,437			7,643
Total income (loss) from continuing operations before provision for (benefit from) income taxes	$	(9,496	)	$	8,145		$	(40,224	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Years Ended December 31,	2021			2020			2019
Federal:
Current	$	434		$	(9,151	)	$	116
Deferred		(1,637	)		15,644			(12,085	)
Total federal		(1,203	)		6,493			(11,969	)
State:
Current		(947	)		(1,109	)		719
Deferred		(569	)		3,938			(2,250	)
Total state		(1,516	)		2,829			(1,531	)
Foreign:
Current		1,322			229			361
Deferred		160			376			851
Total foreign		1,482			605			1,212
Total provision for (benefit from) income taxes on continuing operations	$	(1,237	)	$	9,927		$	(12,288	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

Years Ended December 31,	2021					2020					2019
Federal statutory tax	$	(1,994	)	21.0	%	$	1,681		21.0	%	$	(8,366	)	21.0	%
State taxes, net of federal tax benefit		(1,412	)	14.9			3,056		38.2			(1,328	)	3.3
Foreign taxes		966		(10.2	)		915		11.4			1,395		(3.5	)
Percentage depletion deduction		(1,015	)	10.7			(1,096	)	(13.7	)		(932	)	2.3
Non-controlling interests		1,613		(17.0	)		4,423		55.3			(733	)	1.8
Nondeductible expenses		1,300		(13.7	)		584		7.3			1,462		(3.7	)
Company-owned life insurance		(731	)	7.7			(591	)	(7.4	)		(870	)	2.2
Stock-based compensation		(660	)	6.9			502		6.3			—		—
Changes in uncertain tax positions		—		—			(1,662	)	(20.8	)		(923	)	2.3
Valuation allowance		—		—			3,550		44.4			—		—
Purchase price accounting		—		—			—		—			(1,308	)	3.3
Provision to return adjustments		702		(7.4	)		(1,456	)	(18.2	)		(640	)	1.6
Other		(6	)	0.1			21		(1.9	)		(45	)	(0.1	)
Total	$	(1,237	)	13.0	%	$	9,927		121.9	%	$	(12,288	)	30.5	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

December 31,	2021			2020
Long-term deferred tax assets:
Receivables	$	3,173		$	3,044
Insurance		14,334			12,654
Deferred compensation		11,133			11,187
Accrued compensation		3,792			9,721
Other accrued liabilities		1,088			1,283
Contract income recognition		11,453			15,638
Lease liabilities		16,351			16,342
Net operating loss carryforwards		59,760			52,181
Valuation allowance		(26,533	)		(29,547	)
Other		8,440			10,531
Total long-term deferred tax assets		102,991			103,034
Long-term deferred tax liabilities:
Property and equipment		64,915			46,153
Right of use assets		15,791			15,792
Total long-term deferred tax liabilities		80,706			61,945
Net long-term deferred tax assets	$	22,285		$	41,089

Summary of Operating Loss Carryforwards [Table Text Block]

	Expiration		Gross Carryforward		Tax Effected Carryforward
Federal net operating loss carryforwards		2032-2035	$	65,395	$	13,733
Federal net operating loss carryforwards		N/A		110,139		23,129
State net operating loss carryforwards		2022-2041		230,164		11,708
Foreign tax loss carryforwards		2022-2041		41,992		11,190
Total net operating loss carryforwards at December 31, 2021					$	59,760

Summary of Valuation Allowance [Table Text Block]

December 31,	2021			2020
Beginning balance	$	29,547		$	25,271
Additions (deductions), net		(3,014	)		4,276
Ending balance	$	26,533		$	29,547

Summary of Income Tax Contingencies [Table Text Block]

December 31,	2021			2020			2019
Beginning balance	$	22,728		$	24,406		$	19,348
Gross increases - acquisitions		—			—			5,812
Gross increases – current period tax positions		—			—			—
Gross decreases – current period tax positions		—			—			—
Gross increases – prior period tax positions		—			22			169
Gross decreases – prior period tax positions		—			—			(7	)
Settlements with taxing authorities/lapse of statute of limitations		(4	)		(1,700	)		(916	)
Ending balance	$	22,724		$	22,728		$	24,406