Note 9 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	2016
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
Financial Assets:
Available-for-Sale Securities –
U.S. Treasury Bills Maturing in 2017	$	---	$	13,443,636	$	---
Trading Securities –
Domestic Equities		333,516		---		---
International Equities		83,948		---		---
Others		56,243		---		---

	2015
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
Financial Assets:
Available-for-Sale Securities –
U.S. Treasury Bills Maturing in 2016	$	---	$	8,642,053	$	---
Trading Securities –
Domestic Equities		292,820		---		---
International Equities		100,920		---		---
Others		16,984		---		---