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Incremental percentage increase (decrease) in the stated rate on a debt instrument.

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Nominal or face amount used to calculate payments on the derivative liability.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Carrying amount as of the balance sheet date of obligations due all related parties.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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Note 2 - Debt (Details Textual)			1 Months Ended	2 Months Ended	3 Months Ended		6 Months Ended
Note 2 - Debt (Details Textual)	Jun. 08, 2018 USD ($)	Dec. 14, 2017 USD ($)	Apr. 30, 2018 USD ($)	May 31, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Interest Expense, Total					$ 550,780	$ 359,782	$ 1,114,840	$ 732,646
PNC [Member] \| Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Derivative Liability, Notional Amount		$ 3,000,000
Derivative, Term of Contract		3 years
Promissory Note [Member] \| John H Schwan [Member]
Due to Related Parties, Total									$ 1,100,000
Interest Payable									400,000
Repayments of Related Party Debt					0
Interest Expense, Total					$ 27,000		$ 54,000
BMO [Member]
Long-term Debt, Total									17,000,000
PNC [Member] \| PNC Agreements [Member]
Debt Instrument, Minimum EBITDA			$ 300,000	$ 750,000
Debt instrument, Amendment Fee	$ 58,750
Debt Instrument, Interest Rate, Increase (Decrease)	2.00%
PNC [Member] \| PNC Agreements [Member] \| Maximum [Member]
Fixed Charge Coverage Ratio	1.1
PNC [Member] \| PNC Agreements [Member] \| Minimum [Member]
Fixed Charge Coverage Ratio	1.1
PNC [Member] \| PNC Agreements [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity									18,000,000
PNC [Member] \| PNC Agreements [Member] \| Term Loan [Member]
Long-term Debt, Total									$ 6,000,000