ACCRUED AND OTHER LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2020

Payables and Accruals [Abstract]

Schedule of Components of Accrued and Other Liabilities

The components of accrued and other liabilities consist of the following (in thousands):

	December 31,
	2020		2019
Project development activities	3,228		3,851
Payroll and compensation	9,454		18,773
Accrued taxes	1,057		1,018
Professional services (e.g., legal, audit)	1,004		2,906
Warrant liabilities	3,774		—
Lease liabilities	1,950		3,729
Other	1,536		2,726
Total accrued and other liabilities	$	22,003	$	33,003