Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended					3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Customer	Mar. 31, 2012 Customer	Mar. 31, 2014 Subsequent Event	Mar. 31, 2013 Subsequent Event
Significant Accounting Policies [Line Items]
Entity Incorporation Date Of Incorporation	Jan. 11, 1991
Number of customer accounted for approximately 10% or more of total revenues	2	0
Aggregate percentage of revenue the from customers accounted for more then 10%	44.00%	14.00%
Deferred tax asset	$ 3,391,000		$ 3,888,000
Operating loss carryforwards, limitations on use	Company's NOLs are subject to annual limitations of $1,300,000
Options and warrants excluded from the calculation of diluted shares	50,000	0
Production and importation permission from government agency, amount						51,000,000	63,000,000
Accounts receivable, net				$ 2,923,000	$ 1,618,000