Current report filing

Document And Entity Information

Document And Entity Information
Apr. 10, 2023
Document Information [Line Items]  
Document, Type 8-K
Document, Period End Date Apr. 10, 2023
Entity, Incorporation, State or Country Code DE
Entity, File Number 001-35076
Entity, Tax Identification Number 31-1080091
Entity, Address, Address Line One 4995 Bradenton Avenue, Suite 240
Entity, Address, City or Town Dublin
Entity, Address, State or Province OH
Entity, Address, Postal Zip Code 43017
City Area Code 614
Local Phone Number 793-7500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity, Emerging Growth Company false
Amendment Flag false
Entity, Central Index Key 0000810509
CommonStock Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common Stock
Trading Symbol NAVB
Security Exchange Name NYSE
PreferredStockPurchaseRights Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security Preferred Stock Purchase Rights
Trading Symbol N/A
Security Exchange Name NYSE