Acquisition of Hema Diagnostics Systems, LLC (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Jan. 18, 2017	Jul. 31, 2017	Feb. 09, 2017
Business Combinations [Abstract]
Acquisition of interest			51.00%
Acquisition of outstanding limited liability company units			4,950
Shares exchanged for outstanding limited liability units			53,191
Value of shares exchanged for outstanding limited liability units			$ 253,721
Common stock issued	1,068,101		53,211	1,068,101	103,809
Limited liability company units receied			300
Warrants to be issued	$ 36,535,025			$ 66,060,026
Call Option			$ 13,431,706
Call option recorded as an asset	3,011,204			4,237,829
Fair value of warrant				$ 66,060,026
Changes in fair value of contingent purchase consideration	$ 28,298,376
Common stock to be issued			230,000
Warrant issued to acquire stock			15,000,000
Common stock, price per year			$ 2.50
Total consideration			$ 1,350,916
Intangible assets acquired			2,911,377
Goodwill acquired			13,400,000
Aggregate purchase price			$ 1