Stock Options (Details) - $ / shares	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Number of Shares
Number of shares outstanding	511,000
Options granted	112,500	598,500
Options exercised
Options forfeited or expired	(279,000)	(87,500)
Number of shares outstanding	344,500	511,000
Vested number of shares outstanding	260,468
Expected to vest number of shares	84,032
Weighted avg exercise price outstanding	$ 3.82
Options granted	7.01	3.91
Options exercised
Options forfeited or expired
Weighted avg exercise price outstanding	4.57	3.82
Weighted avg exercise price outstanding	$ 3.80	$ 3.82
Expected to vest weighted avg. exercise price outstanding	6.96	4.57

Number of Shares.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of options vested.

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Number of share options (or share units) exercised during the current period.

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