Document and Entity Information - shares	9 Months Ended
	Dec. 31, 2020	Feb. 08, 2021
Document and Entity Information
Document Type	10-Q
Document Period End Date	Dec. 31, 2020
Entity Registrant Name	TECHPRECISION CORP
Title of 12(b) Security	None
Entity Address, State or Province	MA
Security Exchange Name	NONE
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		29,498,662
Entity Central Index Key	0001328792
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--03-31
Trading Symbol	TPCS