Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income Tax Benefit

The components of our income tax benefit consisted of the following (in thousands):

	Year Ended December 31,
	2021		2020
Current:
State	$	(153)	$	(9)
Total current taxes	(153)		(9)
Deferred:
Federal	—		540
State	—		114
Total deferred taxes	—		654
Income tax (expense) benefit	$	(153)	$	645

Schedule net deferred tax assets and liabilities

Net deferred tax assets and liabilities were as follows (in thousands):

	Year Ended December 31,
	2021		2020
Net operating losses	$	38,122	$	34,593
Stock-based compensation	3,046		1,888
Interest expense	5,009		3,253
Accrued liabilities and reserves	380		322
Fixed assets	(427)		(864)
Lease liability	479		655
Other temporary differences	195		200
Deferred commission	(150)		(612)
Prepaid expenses	(299)		(192)
Right-of-use assets	(207)		(681)
Valuation allowance	(46,148)		(38,562)
Net deferred tax asset	$	—	$	—

Schedule of reconciliation between the statutory federal income tax rate and the effective income tax rate

A reconciliation between the statutory federal income tax rate and the effective income tax rate for the years presented was as follows:

	Year Ended December 31,
	2021		2020
Tax at federal statutory rate	21.0	%	21.0	%
Stock-based compensation	0.6		1.9
Section 162(m)	(1.5)		(4.2)
Change in federal valuation allowance	(18.6)		121.0
Reduction in federal NOL carryforward DTA due to 382 study results	(0.8)		(135.6)
Other	(1.1)		(1.3)
Effective tax rate	(0.4)	%	2.8	%