Document And Entity Information - shares	3 Months Ended
	Sep. 30, 2018	Nov. 10, 2018
Document Information [Line Items]
Entity Registrant Name	BOWL AMERICA INC
Entity Central Index Key	0000013573
Trading Symbol	bwla
Current Fiscal Year End Date	--06-30
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding (in shares)		1,414,517
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding (in shares)		3,746,454