Note 14 - Accrued Liabilities

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

14.     ACCRUED LIABILITIES

The components of other accrued liabilities are as follows:

	As of
	December 31, 2021		December 31, 2020
Contract liabilities (Note 2)	$	390	$	850
Accrued remediation contingency (Note 9)		—		176
Other accrued liabilities		471		1,073
Total other accrued liabilities	$	861	$	2,099