Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information - shares
9 Months Ended
Sep. 30, 2023
Nov. 10, 2023
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2023  
Document Transition Report false  
Entity File Number 001-35076  
Entity Incorporation, State or Country Code DE  
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 43017-3552  
City Area Code 614  
Local Phone Number 793-7500  
Title of 12(b) Security Common Stock  
Trading Symbol NAVB  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   100,084,385
Entity Central Index Key 0000810509  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q3  
Amendment Flag false