Note 5 - Product Warranties

6 Months Ended

Apr. 30, 2014

Product Warranties Disclosures [Abstract]

Product Warranty Disclosure [Text Block]

(5) Product Warranties

As of April 30, 2014 and October 31, 2013, the Company’s accrual for estimated product warranty claims totaled $165,000 and $190,000, respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the three months and six months ended April 30, 2014 totaled $88,996 and $109,535, respectively, and warranty claims expense for the three months and six months ended April 30, 2013 totaled $91,296 and $81,640, respectively.

The following table summarizes the changes in the Company’s accrual for product warranties during the six months ended April 30, 2014 and 2013:

	Six Months Ended April 30,
	2014			2013
Balance at beginning of period	$	190,000		$	250,000
Liabilities accrued for warranties issued during the period		212,255			241,455
Warranty claims and costs paid during the period		(134,535	)		(131,640	)
Changes in liability for pre-existing warranties during the period		(102,720	)		(159,815	)
Balance at end of period	$	165,000		$	200,000