The amount of rental income per annum.

No definition available.

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- Definition

The number of payments for a debt instrument.

+ References

No definition available.

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- Definition

The amount of rental income per month.

+ References

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.

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- Definition

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

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- Definition

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

+ References

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- Definition

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

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- Definition

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.

+ References

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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.

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- 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.

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- Definition

Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature.

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Note 7 - Long-term Debt (Details Textual)			3 Months Ended	6 Months Ended
Note 7 - Long-term Debt (Details Textual)	Jul. 01, 2019 USD ($)	Nov. 30, 2017 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Sep. 01, 2018 USD ($)
Payments to Acquire Property, Plant, and Equipment, Total				$ 1,434,682	$ 1,273,857
Rental Income, Nonoperating			$ 36,000
Subsequent Event [Member]
Monthly Rental Income	$ 67,000
Annual Rental Income	$ 800,000
HSBC Bank Mortgage Loan [Member]
Debt Instrument, Number of Payments				120
Debt Instrument, Periodic Payment, Total				$ 25,000
Long-term Debt, Total			2,500,000	$ 2,500,000		$ 2,700,000
HSBC Bank Mortgage Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate				1.75%
HSBC Bank Mortgage Loan [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate				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			$ 9,900,000	$ 9,900,000		$ 10,000,000
Debt Instrument, Face Amount		$ 10,387,500
Debt Instrument, Interest Rate, Stated Percentage			3.9148%	3.9148%
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
HSBC Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity							$ 7,000,000