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Per Share Amounts (Details Textual) - shares		3 Months Ended			9 Months Ended
Per Share Amounts (Details Textual) - shares	Aug. 03, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Amount of antidilutive securities excluded from computation (in shares)		10,000		513,000	10,000	513,000
Options granted (in shares)					10,000	18,000
Chief Executive Officer
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Restricted stock issued during period (in shares)		60,000			60,000
Senior Vice President
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Restricted stock issued during period (in shares)		10,000
Restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Amount of antidilutive securities excluded from computation (in shares)		31,000			31,000
Options granted (in shares)	10,000		50,000