CONTINGENCIES (Narrative) (Details) - USD ($)	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Disclosure Of Commitments And Contingencies [Abstract]
Grant contingencies maximum amount payable	$ 3,132,000	$ 3,043,000
Funds received under Paycheck Protection Program	$ 6,284,000

Amount received from government as part of Paycheck Protection Program.

No definition available.

Name:	trib_AmountReceivedFromGovernment
Namespace Prefix:	trib_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant