Options outstanding and options exercisable (Details)	Shares Outstanding at June 29, 2014	Weighted-Average Remaining Contractual Life (Years)	Options Outstanding Weighted-Average Exercise Price	Shares Exercisable at June 29, 2014	Options Exercisable Weighted-Average Exercise Price
Total Options outstanding and options exercisable at Jun. 30, 2013	0
Range of Exercise Prices 1.55 - 1.95	136,506	5.2	1.90	136,506	1.90
Range of Exercise Prices 1.96 - 2.35	130,000	4.0	2.32	130,000	2.32
Range of Exercise Prices 2.36 - 2.75	412,000	8.2	2.57	88,000	2.65
Range of Exercise Prices 2.76 - 3.30	115,000	6.4	3.13	115,000	3.13
Range of Exercise Prices 3.31 - 3.81	41,528	8.5	3.81	4,153	0.00
Range of Exercise Prices 5.51 - 5.74	8,664	0.7	5.74		0.00
Range of Exercise Prices 5.95 - 6.05	62,500	9.8	6.02		0.00
Range of Exercise Prices 8.16	15,000	9.4	8.16		0.00
Total Options outstanding and options exercisable, at Jun. 29, 2014	921,198	7.0	2.92	473,659	2.43