XML 22 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document and Entity Information
 11 Months Ended
Dec. 31, 2020
Cover page.  
Document Type S-1/A
Entity Registrant Name Butterfly Network, Inc.
Entity Central Index Key 0001804176
Entity Filer Category Non-accelerated Filer
Amendment Description Amendment No. 1
Amendment Flag true
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false