Leases (Tables)

12 Months Ended

Dec. 31, 2021

Lessee Disclosure [Abstract]

Schedule of Leases

The Company’s lease agreements do not contain any material variable lease payments, material residual value guarantees or material restrictive covenants. Leases consisted of the following (in thousands):

Leases	Classification	December 31, 2021		December 31, 2020
Assets
Operating lease assets	Right of use asset	$	3,081	$	5,826
Total leased assets		$	3,081	$	5,826
Liabilities
Current - Operating	Operating lease liability - current	$	1,074	$	717
Noncurrent - Operating	Operating lease liability - noncurrent		2,220		5,389
Total leased liabilities		$	3,294	$	6,106

Lease Cost	Classification	For the Year Ended December 31, 2021			For the Year Ended December 31, 2020
Operating lease cost	SG&A and R&D Expenses	$	1,352		$	1,042
Short term lease cost (1)	SG&A and R&D Expenses		133			305
Sublease income (2)	SG&A and R&D Expenses		(63	)		(45	)
Net lease cost		$	1,422		$	1,302

(1)Short term lease cost consists of field trial lease agreements with a lease term of 12 months or less.

(2)Sublease income is recorded as a reduction to lease expense.

Lease Term and Discount Rate	December 31, 2021			December 31, 2020
Weighted-average remaining    lease term (years)		2.7			5.0
Weighted-average discount rate		6	%		6	%

Schedule of Maturities of Operating Lease Liabilities

The maturities of the operating lease liabilities as of December 31, 2021 are as follows (in thousands):

Years Ending December 31,	Amounts
2022	$	1,217
2023		1,237
2024		973
2025		168
2026 and thereafter		—
Total operating lease payments	$	3,595
Less: imputed interest	$	301
Total current and noncurrent operating lease liabilities	$	3,294