Income Taxes - Primary Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
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	$ 0	$ 0

Deferred Tax Assets, Leasing Arrangement

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Deferred Tax Liabilities, Deferred Commissions

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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-Section 50
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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