Stock-Based Compensation (Details 1) - Stock Options [Member]	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Summary of all stock option plans
Number of Options Outstanding, Beginning Balance | shares	52,500
Number of Options Outstanding, Cancelled | shares	(42,000)
Number of Options Outstanding, Ending Balance | shares	10,500
Weighted Average Exercise Price, Outstanding, Beginning Balance | $ / shares	$ 27.51
Weighted Average Exercise Price, Cancelled | $ / shares	22.52
Weighted Average Exercise Price, Outstanding, Ending Balance | $ / shares	$ 29.61