Note 12 - Subsequent Event (Details Textual) - Revolving Credit Facility [Member] - Chief Executive Officer [Member] - USD ($) |
Feb. 09, 2017 |
Sep. 30, 2016 |
Feb. 04, 2016 |
---|---|---|---|
Line of Credit Facility, Maximum Borrowing Capacity | $ 2,700,000 | $ 2,200,000 | |
Subsequent Event [Member] | |||
Line of Credit Facility, Maximum Borrowing Capacity | $ 3,400,000 |