NOTES PAYABLE AND FINANCING TRANSACTIONS (Details Narrative)		6 Months Ended	9 Months Ended
	Nov. 06, 2020 USD ($) ft²	Dec. 31, 2023 USD ($)	Mar. 31, 2021 USD ($)	Dec. 29, 2022 USD ($)
Term Loan A [Member] | Minnesota Bank And Trust [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 7,525,000
Periodic payment of principal and interest	$ 97,000
Maturity date	Nov. 01, 2027
Debt outstanding		$ 4,337,000
Interest rate	3.84%
Term Loan B [Member] | Minnesota Bank And Trust [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 1,000,000
Periodic payment of principal and interest	$ 15,000
Maturity date	Nov. 01, 2027
Debt outstanding		646,000
Interest rate	3.84%
Loans [Member] | Minnesota Bank And Trust [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 2,000,000
Term Note A [Member] | Minnesota Bank And Trust [Member]
Debt Instrument [Line Items]
Debt outstanding	$ 3,770,331
Amount borrowed for repurchase of common stock			$ 3,000,000
Term Note B [Member] | Minnesota Bank And Trust [Member]
Debt Instrument [Line Items]
Amount borrowed for property improvements			$ 1,000,000
Revolving Loan [Member] | Minnesota Bank And Trust [Member]
Debt Instrument [Line Items]
Loan origination fees paid		16,000
Debt instrument, maturity date, description	maturity date from November 5, 2023 to December 29, 2024
Loans Payable		2,500,000
Revolving Loan [Member] | Minnesota Bank And Trust [Member] | Minimum [Member]
Debt Instrument [Line Items]
Loan facility amount				$ 2,000,000
Revolving Loan [Member] | Minnesota Bank And Trust [Member] | Maximum [Member]
Debt Instrument [Line Items]
Loan facility amount				$ 7,000,000
Minnesota Bank And Trust [Member] | Property Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 5,200,000
Loan origination fees paid	$ 26,037
Interest rate	3.55%
Periodic payment of principal and interest	$ 30,000
Maturity date	Nov. 01, 2030
Balloon payment	$ 3,100,000
Description of prepayment	Any prepayment of the Property Loan (other than monthly scheduled interest and principal payments), is subject to a prepayment fee equal to 4% of the principal amount prepaid for any prepayment made during the first or second year, 3% of the principal amount prepaid for any prepayment made during the third or fourth year, 2% of the principal amount prepaid for any prepayment made during the fifth or sixth year, and 1% of the principal amount prepaid for any prepayment made during the seventh or eighth year.
Debt outstanding		$ 4,649,000
Franklin Property [Member]
Debt Instrument [Line Items]
Building land | ft²	25,000