Segment and Major Customer Information (Details) - Schedule of segment reporting information, by segment (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Net revenues	$ 39,713	$ 34,533	$ 127,992	$ 109,374
Gross profit	18,080	15,260	61,213	48,036
Gross margin	46.00%	44.00%	48.00%	44.00%
Metrology Solutions [Member]
Segment Reporting Information [Line Items]
Net revenues	26,695	21,273	87,014	68,566
Gross profit	14,684	11,796	49,866	37,724
Gross margin	55.00%	55.00%	57.00%	55.00%
Optical Systems [Member]
Segment Reporting Information [Line Items]
Net revenues	13,018	13,260	40,978	40,808
Gross profit	$ 3,396	$ 3,464	$ 11,347	$ 10,312
Gross margin	26.00%	26.00%	28.00%	25.00%