Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Sales revenue	$ 254,131	$ 695,764	$ 2,336,505	$ 2,728,277
Cost of goods sold	(675,933)	(302,569)	(3,157,452)	(1,185,878)
Gross profit (loss)	(421,802)	393,195	(820,947)	1,542,399
General and administrative expenses	1,744,699	2,456,411	5,213,561	10,079,767
LOSS FROM OPERATIONS	(2,166,501)	(2,063,216)	(6,034,508)	(8,537,368)
OTHER INCOME (EXPENSE)
Interest expense, net	(419,264)	(258,522)	(1,332,637)	(4,681,235)
Other expense	(118,695)	(402,504)	74,920	(3,352,311)
Loss on extinguishment	(92,795)		(216,954)
Gain on deconsolidation of subsidiary	4,502,058		4,502,058
Total other income/(expense)	3,871,304	(661,026)	3,027,387	(8,033,546)
NET INCOME/(LOSS) BEFORE INCOME TAXES	1,704,803	(2,724,242)	(3,007,121)	(16,570,914)
Income tax expense		(737,568)		(737,568)
INCOME/(LOSS) FROM CONTINUING OPERATIONS	1,704,803	(3,461,810)	(3,007,121)	(17,308,482)
Loss from discontinued operations	(720,656)	(588,837)	(1,476,220)	(2,124,713)
NET INCOME/(LOSS)	984,147	(4,050,647)	(4,483,341)	(19,433,195)
Net loss attributable to non-controlling interest	(360,327)	(287,406)	(738,107)	(762,966)
NET INCOME/(LOSS) ATTRIBUTABLE TO GB SCIENCES, INC.	1,344,474	(3,763,241)	(3,745,234)	(18,670,229)
Continuing operations	1,704,803	(3,461,810)	(3,007,121)	(17,308,482)
Discontinued operations	(360,329)	(301,431)	(738,113)	(1,361,747)
Net income/(loss)	1,344,474	(3,763,241)	(3,745,234)	(18,670,229)
Continuing operations	1,756,411	(3,461,810)	(3,007,121)	(17,308,482)
Discontinued operations	(360,329)	(301,431)	(738,113)	(1,361,747)
Net income/(loss)	$ 1,396,082	$ (3,763,241)	$ (3,745,234)	$ (18,670,229)
Continuing operations, basic (in dollars per share)	$ 0.01	$ (0.02)	$ (0.01)	$ (0.08)
Discontinued operations, basic (in dollars per share)				(0.01)
Net income/(loss), basic (in dollars per share)	0.01	(0.02)	(0.01)	(0.09)
Continuing operations, diluted (in dollars per share)	0.01	(0.02)	(0.01)	(0.08)
Discontinued operations, diluted (in dollars per share)				(0.01)
Net income/(loss), diluted (in dollars per share)		$ (0.02)	$ (0.01)	$ (0.09)
Weighted average common shares outstanding - basic (in shares)	263,055,254	222,856,453	253,297,660	200,971,724
Weighted average common shares outstanding - diluted (in shares)	325,790,554	222,856,453	253,297,660	200,971,724