Quarterly report pursuant to Section 13 or 15(d)

Summary of Warrant Activity (Detail)

v3.2.0.727
Summary of Warrant Activity (Detail) - Warrants - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Shares        
Beginning Balance     888,000  
Exercised 0 0 0 0
Ending Balance 888,000   888,000  
Warrants exercisable, June 30, 2015 753,000   753,000  
Weighted Average Exercise Price        
Beginning Balance     $ 6.04  
Ending Balance $ 6.04   6.04  
Warrants exercisable at June 30, 2015 $ 6.40   $ 6.40