XML 53 R41.htm IDEA: XBRL DOCUMENT v3.19.1

INVENTORY (Details Narrative) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Inventory Details Narrative Abstract
Inventory obsolescence amount	$ 31,752	$ 12,997

X

- References

No definition available.

+ Details

Name:	bthe_InventoryDetailsNarrativeAbstract
Namespace Prefix:	bthe_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents inventory obsolescence amount.

+ References

No definition available.

+ Details

Name:	bthe_InventoryObsolescenceAmount
Namespace Prefix:	bthe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant