Note 5 - Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2019

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	June 30, 2019
	Cost Basis		Unrealized Gain		Fair Value		Cash Equivalents		Short-term Securities		Long-term Securities
Level 1:
Money Market Funds	$	848,402	$	-	$	848,402	$	848,402	$	-	$	-
Level 2:
Certificates of deposit		499,000		-		499,000		-		-		499,000
Municipal securities		-		-		-		-		-		-
Corporate bonds		3,968,992		10,157		3,979,149		-		2,978,354		1,000,795
Subtotal		4,467,992		10,157		4,478,149		-		2,978,354		1,499,795
Total	$	5,316,394	$	10,157	$	5,326,551	$	848,402	$	2,978,354	$	1,499,795

	September 30, 2018
			Unrealized			Fair		Cash		Short-term		Long-term
	Cost Basis		Losses			Value		Equivalents		Securities		Securities
Level 1:
Money Market Funds	$	410,393	$	-		$	410,393	$	410,393	$	-	$	-
Level 2:
Certificates of deposit		499,000		-			499,000		-		-		499,000
Municipal securities		-		-			-		-		-		-
Corporate bonds		4,302,661		(8,945	)		4,293,716		-		3,592,175		701,541
Subtotal		4,801,661		(8,945	)		4,792,716		-		3,592,175		1,200,541
Total	$	5,212,054	$	(8,945	)	$	5,203,109	$	410,393	$	3,592,175	$	1,200,541