Related Parties (Details) (Immediate Family Member of Management, USD $)	12 Months Ended
	May 03, 2015	Apr. 27, 2014	Apr. 28, 2013	Jun. 24, 2014	Jun. 18, 2013	Jun. 23, 2015
Related Party Transaction
Related party transaction expense	$ 140,696	$ 195,164	$ 216,723
Restricted Stock Units
Related Party Transaction
Restricted Stock Units granted to related party (in shares)	2,305	4,164	3,814
Fair value of Restricted Stock Units granted to related party	$ 45,132	$ 66,957	$ 49,086
Year 1 Percentage | Restricted Stock Units
Related Party Transaction
Related party transaction, vesting rate of Restricted Stock Units				25.00%	25.00%
Year 2 Percentage | Restricted Stock Units
Related Party Transaction
Related party transaction, vesting rate of Restricted Stock Units	25.00%	25.00%	25.00%
Year 3 Percentage | Restricted Stock Units
Related Party Transaction
Related party transaction, vesting rate of Restricted Stock Units	25.00%	25.00%	25.00%
Year 4 Percentage | Restricted Stock Units
Related Party Transaction
Related party transaction, vesting rate of Restricted Stock Units	25.00%	25.00%	25.00%
Subsequent Event | Year 1 Percentage | Restricted Stock Units
Related Party Transaction
Related party transaction, vesting rate of Restricted Stock Units						25.00%