Income Taxes - Additional Information (Detail) (USD $)				12 Months Ended						12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2014 Smith And Wesson Security Solutions Inc	Apr. 30, 2014 Federal	Apr. 30, 2014 State	Apr. 30, 2013 State	Apr. 30, 2014 State Other Tax Credit Carryforward	Apr. 30, 2013 State Other Tax Credit Carryforward	Apr. 30, 2014 State Minimum	Apr. 30, 2014 State Maximum
Income Tax [Line Items]
Net operating loss carryforwards				$ 8,200,000	$ 649,000	$ 16,200,000	$ 23,100,000
Operating loss carry forwards expiration year					2020
Acquisition date				Jul. 20, 2009
Operating carryforward expiring in fiscal 2013				108,000
Operating carryforward expiring thereafter				108,000
Operating loss carry forwards expiration dates										Apr. 30, 2015	Apr. 30, 2033
Tax credit carryforwards						2,600,000	2,300,000
State tax credit carryforwards expire date										Apr. 30, 2023	Apr. 30, 2025
Valuation allowances for net operating loss carryforward						686,000	973,000
Valuation allowances for tax credits						1,700,000	1,500,000	12,000	20,000
Gross tax-effected unrecognized tax benefits	84,000	1,091,000	1,150,000
Accrued interest and penalties related to uncertain tax positions	$ 15,000	$ 270,000