Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details Textual)

v2.4.0.8
Fair Value Measurements (Details Textual) (USD $)
9 Months Ended 3 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Mundelein Facility [Member]
Jun. 30, 2014
Mundelein Facility [Member]
Long Lived Assets Held-for-sale [Line Items]        
Book value of asset       $ 3,600,000
Loss on disposal of property and equipment (2,160,000) (141,000) 2,200,000  
Asset held-for-sale at fair value     $ 1,400,000