Note 2 - Fair Value of Financial Instruments - Fair Value Measurement of Assets (Details) - USD ($)	Dec. 31, 2016	Oct. 01, 2016
Cash value of life insurance policy	$ 2,771,433	$ 2,697,465
Fair Value, Inputs, Level 1 [Member]
Cash value of life insurance policy
Fair Value, Inputs, Level 2 [Member]
Cash value of life insurance policy	2,771,433	2,697,465
Fair Value, Inputs, Level 3 [Member]
Cash value of life insurance policy