Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2011	Dec. 31, 2013 CDC [Member]	Dec. 31, 2013 Minimum [Member] CDC [Member]	Dec. 31, 2013 Corporate Segment [Member]	Dec. 31, 2012 Corporate Segment [Member]
Contingencies And Commitments [Line Items]
Lease expiration amendment period	24 months
Lease, expiration date					Jan. 01, 2013
Lease expense					$ 100,000	$ 100,000
Royalties received		300,000	18,750	375,000
Granted royalty on sales of the next BEMA product			1.00%
Royalty repurchase minimum period			6 months
Net sales of Next BEMA Product			7,500,000
Over Payment of Royalty Costs		$ 1,100,000