Quarterly report pursuant to Section 13 or 15(d)

Intangible Asset License - Additional Information (Detail)

v2.4.1.9
Intangible Asset License - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Indefinite-lived Intangible Assets [Line Items]    
Payments to Acquire Intangible Assets $ 1,250,000us-gaap_PaymentsToAcquireIntangibleAssets $ 0us-gaap_PaymentsToAcquireIntangibleAssets
Journey Medical Corporation [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Payments to Acquire Intangible Assets 1,200,000us-gaap_PaymentsToAcquireIntangibleAssets
/ us-gaap_RelatedPartyTransactionAxis
= fbio_JourneyMedicalCorporationMember
 
License Costs $ 700,000us-gaap_LicenseCosts
/ us-gaap_RelatedPartyTransactionAxis
= fbio_JourneyMedicalCorporationMember