Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE STOCK OPTIONS AND RESTRICTED STOCK AWARD PLAN - Status of the Stock Options (Details)

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EMPLOYEE STOCK OPTIONS AND RESTRICTED STOCK AWARD PLAN - Status of the Stock Options (Details) - Employee Stock Options. - USD ($)
3 Months Ended
Mar. 31, 2022
Sep. 30, 2021
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options Outstanding at beginning of the year 365,500   465,500
Granted     0
Options Outstanding at end of year 365,500   465,500
Options Exercisable at end of year 365,500   460,700
Weighted Average Exercise Price, Outstanding at beginning of the year $ 3.61   $ 3.26
Weighted Average Exercise Price, Granted     0
Weighted Average Exercise Price, Outstanding at end of year 3.61   3.26
Weighted Average Exercise Price, Exercisable at end of year $ 3.61   $ 3.11
Options Outstanding - Weighted-Average Remaining Contractual Life (in years)   2 years 2 months 15 days 3 years
Options Exercisable - Weighted-Average Remaining Contractual Life (in years)   2 years 2 months 15 days 2 years 11 months 12 days
Aggregate Intrinsic Value, Outstanding at end of year $ 536,900   $ 134,850