12. SEGMENTS (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020
Revenues	$ 624,871	$ 413,458	$ 624,871	$ 443,458
Operating Losses	(2,443,588)	(876,406)	(5,625,395)	(4,144,797)
Net Losses	(2,444,390)	(820,939)	(5,626,925)	(4,594,850)
Cash	12,131,593	4,058,653	12,131,593	4,058,653	$ 9,604,780
Total Assets	12,669,749	4,682,491	12,669,749	4,682,491	$ 10,387,686
Capital Expenditures			54,630	148,064
Depreciation and Amortization			28,775	15,992
Interest Expense	(802)	(126)	(1,530)	(54,232)
Aethlon [Member]
Revenues			624,871	443,458
Operating Losses			(5,609,464)	(4,125,758)
Net Losses			(5,610,994)	(4,575,811)
Cash	12,131,396	4,058,456	12,131,396	4,058,456
Total Assets	12,669,552	4,682,294	12,669,552	4,682,294
Capital Expenditures			54,630	148,064
Depreciation and Amortization			28,775	15,992
Interest Expense			(1,530)	(54,232)
ESI [Member]
Revenues			0	0
Operating Losses			(15,931)	(19,039)
Net Losses			(15,931)	(19,039)
Cash	197	197	197	197
Total Assets	$ 197	$ 197	197	197
Capital Expenditures			0	0
Depreciation and Amortization			0	0
Interest Expense			$ 0	$ 0