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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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-Publisher FASB
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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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- Definition

Amount of noncash expense for share-based payment arrangement.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

Number of new stock issued during the period.

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Stockholders' Equity (Narrative) (Details) - USD ($)		3 Months Ended
Stockholders' Equity (Narrative) (Details) - USD ($)	Feb. 08, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Stockholders' Equity
Share-based compensation		$ 211,328	$ 129,715
Class of Warrant or Right, Outstanding		418,441			418,441
Restricted Stock [Member]
Stockholders' Equity
Share-based compensation expense		$ 168,000	107,000
Unearned share-based compensation expense in future periods		$ 347,000
Unearned share-based compensation earn period		2 years
Stock Option [Member]
Stockholders' Equity
Unearned share-based compensation expense in future periods		$ 374,000
Unearned share-based compensation earn period		2 years
Weighted average fair value of stock options grants (in dollars per share)		$ 1.12
Intrinsic value of options outstanding		$ 73,000	18,000
Intrinsic value of exercisable options		1,000	11,000
Share-based compensation		$ 43,000	$ 22,000
2006 and 2016 Equity Incentive Plans [Member]
Stockholders' Equity
Common stock reserved for future issuances (in shares)		873,180
2016 Equity Incentive Plan [Member]
Stockholders' Equity
Common stock reserved for future issuances (in shares)		465,984
Warrant [Member]
Stockholders' Equity
Exercise price (in dollars per share)		$ 3.25		$ 3.25
Common Stock [Member] \| Warrant [Member]
Stockholders' Equity
Expiration date		Jan. 17, 2023
February 2021 Public Offering [Member] \| Common Stock [Member]
Stockholders' Equity
Issued (in shares)	14,950,000
Proceeds from issuance or sale of equity	$ 119,100,000