Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
NOL carryforwards	$ 1,873	$ 14,730
UK NOL carryforwards	572	552
Allowance for doubtful accounts	193	92
Compensation and vacation accrual		57
Operating accruals		6
Research and experimentation, AMT and foreign tax credits	126	126
Texas margin tax credit	91	106
Fixed assets and intangibles	397
Lease liabilities	9	854
Other	704	846
Total gross deferred tax assets	3,965	17,369
Valuation allowance	(3,516)	(16,218)
Net deferred tax assets	449	1,151
Capitalized software	354	497
Right of use assets	10	544
Fixed assets and intangibles		45
Foreign	47	47
Other	4
Total gross deferred liabilities	415	1,133
Net deferred taxes	$ 34	$ 18

Lease liabilities.

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Deferred tax liabilities - foreign

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Right of use assets.

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Amount of deferred tax liability attributable to taxable temporary differences.

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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.

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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 before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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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.

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Amount of deferred tax liability attributable to taxable temporary differences from capitalized software.

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