Hemosphere Acquisition (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	May 16, 2012
Hemosphere Acquisition [Abstract]
Fair value of contingent consideration						$ 1,800,000
Maximum amount of future consideration payment						4,500,000
Gain (loss) on revaluation of contingent consideration	196,000	32,000	492,000	(46,000)
Contingent consideration	$ 1,392,000		$ 1,392,000		$ 1,884,000