Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Expenditures for salaries of officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Number of share instruments newly issued under a share-based compensation plan.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 4 - Stock-based Compensation Plans and Warrants (Details Textual) - USD ($)			1 Months Ended		3 Months Ended	6 Months Ended	9 Months Ended
	Jan. 10, 2011	Jan. 14, 2010	Jun. 30, 2014	Dec. 18, 2009	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2016	Sep. 30, 2015
Twenty Fourteen Equity Incentive Plan [Member] \| Employee Stock Option [Member]
Allocated Share-based Compensation Expense							$ 0	$ 0
Twenty Fourteen Equity Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member] \| Water Project [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					200,000		200,000
Twenty Fourteen Equity Incentive Plan [Member] \| Outside Director [Member] \| Accrues Yearly [Member]
Allocated Share-based Compensation Expense							$ 20,000
Officers' Compensation							30,000
Twenty Fourteen Equity Incentive Plan [Member] \| Outside Director [Member] \| Accrues Quarterly [Member]
Allocated Share-based Compensation Expense							5,000
Officers' Compensation							$ 7,500
Twenty Fourteen Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period							0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					675,000		675,000
Two Thousand Nine Equity Incentive Plan [Member] \| Employee Stock Option [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				2 years
Two Thousand Nine Equity Incentive Plan [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				10 years
Two Thousand Nine Equity Incentive Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					162,500		162,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares							146,250
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	140,000	115,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	595,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period						17,365
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross							189,880
Two Thousand Nine Equity Incentive Plan [Member] \| Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					507,500	507,500	507,500
Two Thousand Nine Equity Incentive Plan [Member] \| Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period							42,265
Two Thousand Nine Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized				850,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period			45,235
Employee Stock Option [Member]
Allocated Share-based Compensation Expense							$ 974,000	$ 722,000
Allocated Share-based Compensation Expense					$ 520,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					507,500		507,500