Schedule II Valuation and Qualifying Accounts

12 Months Ended

Jun. 30, 2013

Valuation and Qualifying Accounts [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

BOLT TECHNOLOGY CORPORATION AND SUBSIDIARIES

Schedule II — Valuation and Qualifying Accounts

For the Three Years Ended June 30, 2013

			Additions
Description	Balance at Beginning of Year		Charged to Costs and Expenses		Charged to Other Accounts		Deductions			Balance at End of Year
Allowance for uncollectible accounts:
2011	$	400,000	$	101,000	$	—	$	(268,000)	(a)	$	233,000
2012		233,000		358,000		—		(187,000)	(a)		404,000
2013		404,000		385,000		—		(534,000)	(a)		255,000
Reserve for inventory valuation:
2011	$	492,000	$	341,000	$	—	$	(65,000)	(b)	$	768,000
2012		768,000		190,000		—		(439,000)	(b)		519,000
2013		519,000		107,000		—		—			626,000

(a) Accounts written-off.

(b) Scrapped inventory.