Property and Equipment (Tables)

9 Months Ended

12 Months Ended

Jan. 31, 2016

Apr. 30, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property and equipment consisted of the following (table in thousands):

	January 31,		April 30,
	2016		2015
	(unaudited)
Furniture and fixtures	$	73	$	70
Computer equipment and software		710		685
Laboratory equipment		641		493
Leasehold improvements		2		2
Total property and equipment		1,426		1,250
Less: Accumulated depreciation		(912)		(798)
Property and equipment, net	$	514	$	452

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

The following is a schedule by years of future minimum lease payments under this capital lease together with the present value of the net minimum lease payments as of January 31, 2016 (table in thousands):

For the Years Ended April 30,	Total
2016 (remaining)	$	6
2017		24
2018		25
2019		27
2020		16
Total minimum payments		98
Less: amount representing interest		(10)
Present value of minimum payments		88
Less: current portion		(24)
	$	64

The following is a schedule by years of future minimum lease payments under this capital lease together with the present value of the net minimum lease payments as of April 30, 2015:

For the Years Ended April 30,	2016		23
	2017		24
	2018		25
	2019		26
	2020		16
Total minimum lease payments		$	114
Less: current maturity			(23)
Long-term maturity			91