The number of warrants cancelled during the period.

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The monthly interest expense made to related parties

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Dividend or interest rate associated with the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction. Noncash are transactions that affect recognized assets or liabilities but that do not result in cash receipts or cash payments. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments.

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The price per share of the conversion feature embedded in the debt instrument.

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

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

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Gross amount of debt extinguished.

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Amount of interest expense incurred on a debt or other obligation to related party.

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

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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

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The effective interest rate during 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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The amount for notes payable (written promise to pay), due to related parties.

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The cash outflow for a borrowing supported by a written promise to pay an obligation.

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Note 11 - Related Party Transactions (Details Textual) - USD ($)					1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2017	Nov. 19, 2015	Mar. 18, 2013	Dec. 16, 2008	Aug. 29, 2008	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2016	Feb. 29, 2016	Feb. 03, 2015	Jan. 31, 2015	Dec. 31, 2013	Dec. 18, 2013	Feb. 22, 2013	Oct. 16, 2012	Sep. 30, 2009	Jun. 30, 2008	Feb. 29, 2008
Convertible Notes Payable, Total						$ 5,970,000		$ 5,970,000			$ 6,170,000
Debt Instrument, Interest Rate, Stated Percentage			2.00%
Debt Instrument, Convertible, Conversion Price						$ 0.50		$ 0.50
Repayments of Notes Payable								$ 200,000	$ 1,020,000
Line of Credit Facility, Maximum Borrowing Capacity			$ 2,000,000											$ 5,000,000			$ 4,000,000
Long-term Line of Credit, Total						$ 3,200,000		$ 3,200,000
Line of Credit Facility, Interest Rate at Period End						4.25%		4.25%
Interest Expense, Related Party						$ 229,906	$ 252,585	$ 682,986	$ 717,782
The Northern Trust Company [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 2,000,000											$ 5,000,000			$ 4,000,000
Line of Credit Facility, Interest Rate During Period			2.00%
Long-term Line of Credit, Total										$ 3,200,000
Line of Credit Facility, Interest Rate at Period End										4.25%
Director Mr. Wit [Member]
Class of Warrant or Right Cancelled During the Period		1,900,000
Interest Expense, Related Party Approximately Monthly Amount			$ 9,500
Chief Executive Officer [Member]
Notes Payable, Related Parties													$ 450,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights													1,800,000
Debt Instrument, Interest Rate, Stated Percentage													12.00%
Repayments of Notes Payable	$ 50,000
Class of Warrant or Right, Exercise Price of Warrants or Rights													$ 0.25
Interest Payable													$ 450,000
Convertible Debentures [Member] \| Director Mr. Wit [Member]
Due to Related Parties, Total						5,770,000		5,770,000
Convertible Notes Payable, Total																					$ 510,000
Debt Conversion, Converted Instrument, Amount					$ 510,000
Promissory Notes [Member] \| CEO And Director [Member]
Notes Payable, Related Parties						$ 400,000		$ 400,000
Convertible Debenture Initiated In June 2008 [Member] \| Director Mr. Wit [Member]
Convertible Notes Payable, Total					$ 1,260,000							$ 1,770,000			$ 1,770,000			$ 1,770,000		$ 1,770,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					3,540,000
Debt Instrument, Interest Rate, Stated Percentage					10.00%
Debt Instrument, Convertible, Conversion Price					$ 0.50
Convertible Debenture Initiated In February 2008 [Member] \| Director Mr. Wit [Member]
Notes Payable, Related Parties																						$ 150,000
Convertible Notes Payable, Total															4,475,000			4,475,000	$ 125,000	$ 4,350,000		$ 4,200,000
Debt Conversion, Converted Instrument, Amount				$ 4,350,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,680,000		8,700,000															250,000
Debt Instrument, Convertible, Conversion Price				$ 0.50
Debt Conversion, Converted Instrument, Rate				12.00%
Extinguishment of Debt, Amount		$ 420,000
Class of Warrant or Right Cancelled During the Period		1,680,000
Convertible Debenture Initiated In February 2008 [Member] \| Director Mr. Wit [Member] \| Extended Maturity Debentures [Member]
Convertible Notes Payable, Total												$ 4,055,000
Convertible Debentures Issued December 2008 [Member]
Convertible Notes Payable, Total				$ 5,075,000
Convertible Debentures Issued December 2008 [Member] \| Extended Maturity Debentures [Member]
Convertible Notes Payable, Total																$ 360,000
Convertible Debentures Issued December 2008 [Member] \| Director Mr. Wit [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,680,000
Extinguishment of Debt, Amount		$ 420,000
Class of Warrant or Right Cancelled During the Period		1,680,000
Convertible Debentures Issued December 2008 [Member] \| Director Mr. Wit [Member] \| Extended Maturity Debentures [Member]
Convertible Notes Payable, Total															$ 4,475,000
Convertible Debentures Issued December 2008 [Member] \| Chief Executive Officer and Director Mr. Wit [Member]
Repayments of Notes Payable	$ 55,000
Convertible Debentures Issued December 2008 [Member] \| Chief Executive Officer [Member]
Convertible Notes Payable, Total																		$ 4,475,000