Commitments and Contingencies (Details) $ in Millions	Mar. 31, 2021 USD ($)
Commitments and Contingencies.
Minimum manufacturing fee	$ 1.0

Amount of minimum manufacturing fee payable pursuant to manufacturing agreement.

No definition available.

Name:	ttnp_MinimumManufacturingFeePayable
Namespace Prefix:	ttnp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant