Document And Entity Information	6 Months Ended
	Dec. 31, 2013	Feb. 05, 2014
Document Information [Line Items]
Entity Registrant Name	BOLT TECHNOLOGY CORP
Entity Central Index Key	0000354655
Current Fiscal Year End Date	--06-30
Entity Filer Category	Accelerated Filer
Trading Symbol	BOLT
Entity Common Stock, Shares Outstanding		8,665,725
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Dec. 31, 2013
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2014