Leases (Tables)

6 Months Ended

Jun. 30, 2021

Lessee Disclosure [Abstract]

Schedule of Leases

Leases consisted of the following (in thousands):

Leases	Classification	June 30, 2021		December 31, 2020
Assets
Operating lease assets	Right of use asset	$	6,360	$	5,826
Total leased assets		$	6,360	$	5,826
Liabilities
Current - Operating	Operating lease liability- current	$	962	$	717
Noncurrent - Operating	Operating lease liability- noncurrent		5,727		5,389
Total leased liabilities		$	6,689	$	6,106

Lease Cost	Classification	For the Three Months Ended June 30, 2021			For the Three Months Ended June 30, 2020			For the Six Months Ended June 30, 2021			For the Six Months Ended June 30, 2020
Operating lease cost	SG&A and R&D Expenses	$	347		$	261		$	636		$	484
Short term lease cost (1)	R&D Expenses		(17	)		114			30			194
Short term lease cost	SG&A Expenses		4			3			15			3
Sublease income (2)	SG&A and R&D Expenses		(19	)		(11	)		(33	)		(22	)
Net lease cost		$	315		$	367		$	648		$	659

(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	June 30, 2021			December 31, 2020
Weighted-average remaining    lease term (years)		4.6			5.0
Weighted-average discount rate		6.5	%		6.0	%