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Stock Compensation Plan (Details Narrative) - USD ($)				12 Months Ended
	Aug. 01, 2020	Aug. 01, 2019	Aug. 01, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 20, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation vesting period description				four years
Share-based compensation				$ 304,000	$ 286,000	$ 223,000
Recognized tax benefit from compensation expense				$ 105,000	$ 71,000	$ 194,000
Maximum stock options exercise price of fair market value of shares on date of grant rate				100.00%
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 193,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares				64,292
2015 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation vesting period description		vest ratably over four years
Common stock, capital shares reserved for future issuance							335,024
Number of restricted common stock shares	18,218	3,766	12,479
Share price	$ 19.62	$ 21.26	$ 25.06
Options to acquire shares		71,007

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