Commitments and Contingencies (Narrative) (Detail) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Leased property and equipment, excluding foreign land [Member]
Property Subject to or Available for Operating Lease [Line Items]
Rent expense	$ 12,000	$ 13,000	$ 23,000	$ 26,000
Land lease in Dominican Republic expiring 2092 [Member]
Property Subject to or Available for Operating Lease [Line Items]
Expiration year			2092
Acreage	4		4
Annual minimum rent	$ 288,000		$ 288,000