Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Provision (Benefit) for Federal Income Taxes

The provision (benefit) for federal income taxes in 2020 and 2019 is as follows (in thousands):

	December 31,
	2020		2019
Current
Federal	$	—	$	—
State		—		—
		—		—
Deferred
Federal	$	—	$	—
State		—		—
Total deferred tax expense		—		—
Total income tax expense	$	—	$	—

Summary of Statutory Federal Tax Rate to Income or Loss before Taxes

Income tax expense (benefit) in 2020 and 2019 differed from the amount expected by applying the statutory federal tax rate to the income or loss before taxes as summarized below:

	December 31,
	2020			2019
Federal tax benefit at statutory rate		21	%		21	%
Change in valuation allowance		(12	)%		(23	)%
Section 382 limitation		—			—
Other non-deductible expenses		(1	)%		(1	)%
Stock based compensation		(8	)%		(7	)%
ASC 842 lease accounting		—			10	%
Total		0	%		0	%

Significant Components of Net Deferred Tax Assets

Significant components of the Company’s net deferred tax assets at December 31, 2020 and 2019 are as follows (in thousands):

	December 31,
	2020			2019
Net operating loss carry forwards	$	10,988		$	5,869
Research and development tax credits		90			90
Stock based compensation and other		2,860			5,099
Operating lease obligation		1,789			2,149
Total deferred tax assets		15,727			13,207
Less: Valuation allowance		(15,106	)		(11,326	)
Deferred tax liabilities		—			(55	)
Operating lease right-of-use assets		(621	)		(1,826	)
Net deferred tax assets	$	—		$	—

Reconciliation of Amount of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):

	Amount
Balance at January 1, 2019		72
Gross increase/ (decrease) related to prior year tax positions		(72	)
Gross increase related to current year positions		39
Reductions to unrecognized tax benefits related to lapsing statute of limitations		—
Balance at December 31, 2019	$	39
Gross increase/ (decrease) related to prior year tax positions		—
Gross increase related to current year positions		—
Reductions to unrecognized tax benefits related to lapsing statute of limitations		—
Balance at December 31, 2020	$	39