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Income Taxes - Reconciliation of tax rate (Details) - USD ($)		12 Months Ended
	Dec. 22, 2018	Dec. 31, 2019	Dec. 31, 2018
Income Taxes
Federal income tax rate (as a percent)	21.00%
Expected tax benefit at 21%		$ (1,781,000)	$ (1,970,000)
Change in valuation allowance		1,595,000	1,890,000
Other		$ 186,000	$ 80,000

X

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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