Sales by Major Customers (Detail) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Revenue, Major Customer [Line Items]
Sales	$ 372,000	$ 1,906,000	$ 490,000	$ 4,294,000
Customer 1
Revenue, Major Customer [Line Items]
Sales	1,136,000	880,000	3,072,000	2,541,000
Percentage of total sales	38.00%	7.00%	48.00%	21.00%
Accounts Receivable	432,000	240,000	432,000	240,000
Percentage of total accounts receivable	37.00%	9.00%	37.00%	9.00%
Customer 2
Revenue, Major Customer [Line Items]
Sales	372,000	1,906,000	490,000	4,294,000
Percentage of total sales	13.00%	16.00%	8.00%	36.00%
Accounts Receivable	$ 124,000	$ 778,000	$ 124,000	$ 778,000
Percentage of total accounts receivable	11.00%	30.00%	11.00%	30.00%