The number of payments for a debt instrument.

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

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Balance Type:	debit
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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Period Type:	instant

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

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- Definition

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

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- Details

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Note 7 - Long-term Debt (Details Textual)			12 Months Ended
Note 7 - Long-term Debt (Details Textual)	Apr. 21, 2020 USD ($)	Nov. 30, 2017 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Long-term Debt, Total			$ 13,796,724
Payments to Acquire Property, Plant, and Equipment, Total			1,577,175	$ 2,688,231
Proceeds from Issuance of Long-term Debt, Total			$ 2,415,970
HSBC Bank Mortgage Loan [Member]
Debt Instrument, Number of Payments			120
Debt Instrument, Periodic Payment, Total			$ 25,000	25,000
Long-term Debt, Total			$ 2,100,000	$ 2,400,000
Debt Instrument, Interest Rate, Stated Percentage			1.89%	3.49%
Debt Instrument, Face Amount			$ 6,000,000	$ 6,000,000
HSBC Bank Mortgage Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate			1.75%
Debt Instrument, Interest Rate, Stated Percentage			1.75%	1.75%
HSBC Bank Mortgage Loan [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.50%
Debt Instrument, Interest Rate, Stated Percentage			0.50%	0.50%
HSBC Bank Second Mortgage Loan [Member]
Debt Instrument, Number of Payments			60
Debt Instrument, Periodic Payment, Total			$ 62,481
Long-term Debt, Total			$ 9,300,000	$ 9,700,000
Debt Instrument, Interest Rate, Stated Percentage			3.9148%
Debt Instrument, Face Amount		$ 10,387,500
HSBC Bank Second Mortgage Loan [Member] \| Premises at 555 North Research Place, Central Islip, NY [Member]
Payments to Acquire Property, Plant, and Equipment, Total		$ 13,850,000
Paycheck Protection Program CARES Act [Member]
Debt Instrument, Interest Rate, Stated Percentage			1.00%
Debt Instrument, Face Amount			$ 2,415,970
Proceeds from Issuance of Long-term Debt, Total	$ 2,415,970