Organization and Significant Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2016

Organization and Significant Accounting Policies

Schedule of estimated useful lives of property and equipment

Machinery and equipment	2 - 7	years
Computer equipment and software	2 - 5	years
Furniture and fixtures	3 - 7	years
Leasehold improvements	Lesser of useful life or term of lease

Schedule of reconciliation of basic to diluted shares

	Year Ended April 30,
	2016		2015		2014
Numerator for basic earnings per share:
Net income	$	8,966,000	$	2,895,000	$	13,718,000
Denominator for basic earnings per share:
Weighted average common shares		22,936,413		22,868,733		22,354,444
Dilutive effect of employee stock options, restricted stock and restricted stock units		217,080		277,264		364,774
Denominator for diluted earnings per share		23,153,493		23,145,997		22,719,218