Acquisitions - Additional Information (Detail) (USD $)	12 Months Ended					12 Months Ended		1 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2013 Micronetics	Aug. 08, 2012 Micronetics	Jun. 30, 2013 KOR and PDI	Dec. 22, 2011 KOR and PDI	Jun. 30, 2012 LNX	Jun. 30, 2013 LNX	Jan. 12, 2011 LNX	Mar. 31, 2011 LNX Sellers	Mar. 31, 2011 LNX Company	Jan. 12, 2011 LNX Maximum
Business Acquisition [Line Items]
Company acquired per share (in usd per share)					$ 14.80
Goodwill arising from acquisition					$ 44,601,000
Pro forma net revenues				35,474,000
Pro forma income (loss)				(3,764,000)
Acqusition price paid in cash							71,000,000			31,000,000
Escrow to support post-closing working capital adjustment and sellers' indemnification obligations							10,650,000			6,200,000
Escrow release date						Dec. 30, 2013			Aug. 31, 2012
Accounts receivable adjustment						126,000
Other assets adjustment						810,000
Deferred tax assets adjustment						(235,000)
Goodwill adjustments						(701,000)
Earn-out payable amount based on achievement of financial targets during a period													5,000,000
Fair value of contingent consideration										4,828,000
Amount of cash released from escrow											1,523,000	27,000
Change in the fair value of the liability related to the LNX earn-out	$ 0	$ 4,938,000	$ 0					$ 4,938,000	$ 0