CADRA product line sale (Details) (USD $)	Oct. 18, 2013
CADRA product line sale
Aggregate consideration for the CADRA Sale	$ 3,950,000
Amount of consideration paid on the closing date	2,880,000
10% holdback which will be paid on the one year anniversary of the closing date	320,000
Earn-Out Payments of up to an aggregate over the three-year period subsequent to the closing date	$ 750,000