Bank Debt - Additional Information (Detail) (Union Bank, USD $)	1 Months Ended	6 Months Ended			6 Months Ended
	Sep. 30, 2012	Dec. 31, 2012	Feb. 04, 2011 Revolving Credit Facility	Feb. 04, 2011 Non Revolving Credit Facility	Dec. 31, 2012 Secured Debt
Line of Credit Facility [Line Items]
Maximum amount of borrowing under the credit line			$ 1,500,000	$ 350,000	$ 1,250,000
Repayment of Term loan	685,000
Percentage of domestic accounts receivable		80.00%
Amount added to the sum of eligible domestic accounts receivable		400,000
Percentage of eligible raw materials and finished goods inventories		15.00%
Line of credit facility basis spread on reference rate		0.50%
Aggregate interest rate		3.75%
Monthly principal payments		$ 29,762
Period of term loan to be paid off					42 months