The fixed charge coverage ratio is required by the debt instrument.

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Contractual interest rate for funds borrowed under the debt agreement for the first five years.

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The maturity schedule for the debt instrument.

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The number of the required periodic payments including both interest and principal payments.

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The prepayment penalty expressed as a percentage of the principal of the loan being prepaid in the first five years.

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The prepayment penalty expressed as a percentage of the principal of the loan being prepaid in the tenth year.

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The prepayment penalty expressed as a percentage of the principal of the loan being prepaid in the eighth and ninth year.

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The prepayment penalty expressed as a percentage of the principal of the loan being prepaid in the sixth and seventh year.

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No definition available.

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Represents interest forgiven.

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Under the line of credit facility, borrowings in excess of a specific amount are subject to a borrowing base which is calculated based off a specific level of eligible accounts receivable of the waste management business as defined in the agreement.

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No definition available.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Weighted average interest rate of long-term debt outstanding calculated over time.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Note 10 - Term Loans and Line of Credit Agreements (Details Textual)			3 Months Ended				12 Months Ended
	Dec. 20, 2019 USD ($)	May 31, 2018 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Long-term Debt, Gross			$ 22,549,000	$ 23,908,000			$ 23,908,000
Debt Issuance Costs, Net, Total			$ 363,000	373,000			373,000
Long-term Debt, Weighted Average Interest Rate, over Time			4.80%			5.00%
New Term Loan Agreement [Member] \| Laurel Capital Corporation [Member]
Long-term Debt, Gross	$ 23,000,000
Payments of Debt Issuance Costs	300,000
Proceeds from Issuance of Debt	$ 7,200,000
Restricted Cash, Total			$ 3,400,000	3,900,000			3,900,000
Debt Instrument, Periodic Payment, Number of Payments	119
Debt Instrument, Maturity Schedule (Year)	15 years
Debt Instrument, Interest Rate, Stated Percentage, First Five Years	5.00%
Debt Instrument, Prepayment Penalty, Percentage, First Five Years	5.00%
Debt Instrument, Prepayment Penalty, Percentage, Years Six and Seven	4.00%
Debt Instrument, Prepayment Penalty, Percentage, Years Eight and Nine	3.00%
Debt Instrument, Prepayment Penalty, Percentage, Year Ten	2.00%
Debt Instrument, Covenant, Fixed Charge Coverage Ratio	1.2
Debt Issuance Costs, Net, Total	$ 400,000
New Castle Country Club Commercial Mortgage [Member] \| Mercer County State Bank [Member]
Repayments of Debt	13,800,000
The Line of Credit Agreement [Member] \| Home Savings Bank [Member]
Repayments of Lines of Credit	$ 1,700,000
Debt Instrument, Covenant, Fixed Charge Coverage Ratio			1.2
Line of Credit Facility, Maximum Borrowing Capacity		$ 5,000,000
Line of Credit Facility, Amounts in Excess of, Subject to Borrowing Base		$ 1,000,000
Proceeds from Lines of Credit, Total			$ 0				0
Line of Credit Facility, Interest Rate at Period End			3.50%
The Line of Credit Agreement [Member] \| Home Savings Bank [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		0.25%
Paycheck Protection Program CARES Act [Member]
Long-term Debt, Gross			$ 878,000	1,964,000			1,964,000
Debt Issuance Costs, Net, Total
Proceeds from Issuance of Long-term Debt, Total					$ 2,800,000
Debt Instrument, Decrease, Forgiveness			1,100,000	800,000
Interest Forgiven			$ 8,000	$ 4,000