Commitments and Contingencies - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Feb. 28, 2011	Dec. 31, 2013	Dec. 31, 2012
Long-term Purchase Commitment [Line Items]
Professional service agreement period	5 years
Commission paid		$ 96,000	$ 97,000
Lease expense		69,000	69,000
Inventories [Member]
Long-term Purchase Commitment [Line Items]
Estimated annual purchase requirements of inventory and supplies			$ 2,900,000
Initial term of supply chain agreement			2 years
Expiration date of supply chain agreement			Sep. 08, 2014
Minimum [Member] | Inventories [Member]
Long-term Purchase Commitment [Line Items]
Percentage of annual purchase requirement of inventory and supplies			80.00%