Note 3 - Commitments and Contingencies (Details Textual) - USD ($)	Oct. 26, 2018	Sep. 30, 2018
Purchase Commitment, Agreement to Upgrade Scoring System		$ 275,000
Subsequent Event [Member]
Land Sale Commitment, Sale Price	$ 1,100,000

Represents the amount of an agreement to upgrade the automatic scoring system.

No definition available.

Name:	bwla_PurchaseCommitmentAgreementToUpgradeScoringSystem
Namespace Prefix:	bwla_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant