Annual report pursuant to Section 13 and 15(d)

Note 7 - Line of Credit (Details Textual)

v3.7.0.1
Note 7 - Line of Credit (Details Textual) - USD ($)
9 Months Ended 12 Months Ended
Dec. 23, 2016
Mar. 31, 2017
Jun. 30, 2017
Jun. 30, 2016
Sep. 30, 2016
Jun. 01, 2016
May 31, 2016
Oct. 02, 2014
Dec. 31, 2012
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             297,035   297,035
Class of Warrant or Right, Exercise Price of Warrants or Rights           $ 1.55 $ 2.69   $ 4.10
Amortization of Debt Discount (Premium)     $ 19,000 $ 86,000          
Warrants Related to Line of Credit [Member]                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     179,167            
Class of Warrant or Right, Term     5 years            
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 2            
Line of Credit [Member] | Non-Related Lender [Member]                  
Debt Instrument, Initial Debt Discount   $ 85,000              
Debt Instrument, Convertible, Beneficial Conversion Feature   $ 80,000              
Line of Credit Facility, Maximum Borrowing Capacity               $ 500,000  
Debt Instrument, Interest Rate, Stated Percentage               8.00%  
Long-term Line of Credit       215,000 $ 215,000        
Interest Paid $ 42,000                
Payments for Penalty Fees on Debt $ 5,000                
Debt Instrument, Convertible, Conversion Price               $ 1.20  
Debt Instrument, Unamortized Discount       19,000          
Amortization of Debt Discount (Premium)     $ 19,000 $ 86,000