Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Aug. 07, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2020
Entity File Number	000-19879
Entity Registrant Name	BIOSPECIFICS TECHNOLOGIES CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	11-3054851
Entity Address, Address Line One	2 Righter Parkway, Suite 200
Entity Address, City or Town	Wilmington
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	19803
City Area Code	302
Local Phone Number	842.8450
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	BSTC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		7,344,955
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000875622
Amendment Flag	false