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Income Taxes - Additional Information (Details) - USD ($)		12 Months Ended
	Jan. 07, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2018
Income Taxes [Line Items]
U.S. federal statutory tax rate		21.00%	21.00%
Valuation allowance		$ 9,452,000	$ 8,520,000
Increase in valuation allowance		900,000
Unrecognized tax benefit that would impact effective tax rate, if recognized		129,000
Income tax interest and penalties accrued		100,000	100,000
Income tax interest and penalties		0	$ 0
NimbeLink
Income Taxes [Line Items]
Cumulative change in ownership	$ 3,000,000
Federal
Income Taxes [Line Items]
Net operating loss carry forwards		$ 1,800,000
Net operating loss carry forwards, expire period		2022
Operating loss carryforward available to offset future taxable income		$ 9,900,000
Percentage of future taxable income offset by operating loss carryforward				80.00%
Tax credit carry forwards		$ 29,900,000
Tax credit carry forwards, expire period		2026
State
Income Taxes [Line Items]
Net operating loss carry forwards		$ 1,600,000
Net operating loss carry forwards, expire period		2028
Tax credit carry forwards		$ 11,000,000.0

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