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INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2020

INCOME TAXES

Schedule of components of loss before provision for income taxes

The components of loss before provision for income taxes for the years ended December 31, 2020 and 2019 are as follows (in thousands):

​	​	​	​	​	​	​
​	​	December 31,
​		2020			2019
Domestic	​	$	(156,124)	​	$	(59,408)
Foreign	​		—	​		—
Loss before income taxes	​	$	(156,124)	​	$	(59,408)

​

Schedule of components of the provision for income tax expense

The components of the provision for income tax expense for the years ended December 31, 2020 and 2019 are as follows (in thousands):

​	​	​	​	​	​	​
​		December 31,
​	​	2020			2019
Current:		​			​
Federal	​	$	—	​	$	—
State	​		5	​		6
Total current	​		5	​		6
Deferred:	​			​
Federal	​		—	​		—
State	​		—	​		—
Total deferred	​		—	​		—
Total provision for income taxes	​	$	5	​	$	6

​

Schedule of effective tax rate of the Company's provision (benefit) for income taxes

​

​	​	​	​	​	​
​	​	December 31,
​		2020		2019
Statutory rate		21.00	%	21.00	%
State tax		3.19	%	7.13	%
Foreign income and withholding taxes		0.41	%	0.08	%
Stock-based compensation		(0.60)	%	(0.51)	%
Change in fair value of warrants		(11.36)	%	0.53	%
Other		—		(0.04)	%
Non-deductible interest expense		(1.51)	%	(2.63)	%
Valuation allowance		(11.13)	%	(25.56)	%
Total		0.00	%	0.00	%

Schedule of significant components of the Company's deferred tax assets and liabilities

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

​	​	​	​	​	​	​
​		December 31,
​	​	2020			2019
Deferred tax assets:		​			​
Net operating losses	​	$	59,960	​	$	50,821
Tax credits	​		761	​		761
Depreciable assets	​		635	​		189
Intangible assets	​		—	​		431
Accruals and allowances	​		575	​		1,317
Stock-based compensation	​		83	​		62
Deferred revenue	​		27,962	​		19,370
Other	​		3,035	​		2,004
Total gross deferred tax assets	​		93,011	​		74,955
Less: Valuation allowance	​		(91,315)	​		(73,930)
Net deferred tax assets	​		1,696	​		1,025
Deferred tax liabilities:	​			​
Amortization of asset retirement obligation	​		(1,696)	​		(1,025)
Total gross deferred tax liabilities	​		(1,696)	​		(1,025)
Net deferred taxes	​	$	—	​	$	—

​

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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