Consolidated Statement of Series A Redeemable Preferred Stock and Stockholders' Equity (Deficit) - USD ($)	Series A Mandatorily Redeemable Preferred Stock	Common Stock Amount	Additional Paid-In Capital	Preferred stock of Subsidiaries	Series C Preferred Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	JFGI Sharesholder's Interest	Noncontrolling Interest	Total
Beginning Balance at May. 31, 2015	$ 2,075,110	$ 36,357	$ 4,199,387		$ 13,308,697	$ (31,886,882)	$ 21,413	$ (14,321,028)		$ (13,521,028)
Beginning Balance, Shares at May. 31, 2015	1,549	363,574,218			6,805
Issuance of common stock as compensation for services, Amount
Issuance of common stock as additional consideration in financing arrangements, Shares		1,634	48,538					50,172		50,172
Exercise of warrants
Accretion of Series A mandatorily redeemable convertible preferred stock
Accrued dividends of Series A mandatorily redeemable convertible preferred stock	84,491					(84,491)		(84,491)		(84,491)
Accrued dividends of Series C equity preferred stock					1,164,143	(1,164,143)
Exchange of Series C Preferred Stock for Series B Mandatorily Redeemable Convertible Preferred Stock
Reclassification of Series A from temporary equity to liabilities
Sale of noncontrolling interest of subsidiary			367,449					367,449	632,551	1,000,000
Common stock option expense
Unrealized gain on available for sale securities							(23,718)	(23,718)		(23,718)
Net (loss)						(23,895)		(23,895)	(92,131)	(116,025)
Ending Balance at May. 31, 2016	$ 2,159,602	$ 379,991	4,615,374		$ 14,472,840	(33,159,411)	(2,305)	(14,035,511)	540,420	(13,495,091)
Ending Balance, Shares at May. 31, 2016	1,549	379,908,267			6,805
Issuance of common stock as compensation for services, Amount
Issuance of common stock as additional consideration in financing arrangements		$ 800,000
Issuance of common stock as additional consideration in financing arrangements, Shares		80	2,029					2,109		2,109
Exercise of warrants
Accretion of Series A mandatorily redeemable convertible preferred stock
Accrued dividends of Series A mandatorily redeemable convertible preferred stock	87,689					(87,689)		(87,689)		(87,689)
Accrued dividends of Series C equity preferred stock					1,256,828	(1,256,828)
Exchange of Series C Preferred Stock for Series B Mandatorily Redeemable Convertible Preferred Stock
Reclassification of Series A from temporary equity to liabilities
Sale of noncontrolling interest of subsidiary			$ 613,925					$ 613,925	$ 1,386,075	$ 2,000,000
Sale of preferred stock of subsidiaries				8,000,000				8,000,000		8,000,000
Common stock option expense
Unrealized gain on available for sale securities							(128,198)	(128,198)		(128,198)
Net (loss)						(1,269,968)		(1,269,968)	262,771	(1,007,197)
Ending Balance at May. 31, 2017	$ 2,247,292	$ 38,071	$ 5,231,328		$ 15,729,668	$ (35,773,896)	$ (130,503)	$ (6,905,332)	$ 2,189,266	$ (4,716,066)
Ending Balance, Shares at May. 31, 2017	1,549	380,708,267			6,805