Sales by Major Customers (Detail) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Revenue, Major Customer [Line Items]
Sales	$ 82,000	$ 1,811,000	$ 572,000	$ 6,106,000
Customer 1
Revenue, Major Customer [Line Items]
Sales	82,000	1,811,000	572,000	6,106,000
Percentage of total sales	3.00%	40.00%	6.00%	45.00%
Accounts Receivable		630,000		630,000
Percentage of total accounts receivable		40.00%		40.00%
Customer 2
Revenue, Major Customer [Line Items]
Sales	1,759,000	1,467,000	4,830,000	4,008,000
Percentage of total sales	58.00%	32.00%	51.00%	29.00%
Accounts Receivable	$ 946,000	$ 531,000	$ 946,000	$ 531,000
Percentage of total accounts receivable	59.00%	34.00%	59.00%	34.00%