Employee Benefits: (Details) - Minimum Essential Coverage "MEC" Plan	12 Months Ended
Feb. 28, 2019 USD ($)
Minimum
Employee Benefits
Pre-tax premiums per month	$ 0
Maximum
Employee Benefits
Pre-tax premiums per month	$ 2,554

Represents the amount of pre-tax premiums that the employees pay per month depending upon the insurance coverage selected by the employee under the self-funded employee benefit plan.

No definition available.

Name:	bzyr_SelfFundedEmployeeBenefitPlanPreTaxPremiumPerMonth
Namespace Prefix:	bzyr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration