Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.2.0.727
License Agreements - Additional Information (Detail)
 1 Months Ended 6 Months Ended
Dec. 31, 2013
USD ($)
Aug. 31, 2013
USD ($)
May. 31, 2015
Agreement
Oct. 17, 2011
USD ($)
Installment
License Agreements [Line Items]        
Types of agreements | Agreement     2  
Date of notification received related to terminating license agreement     Aug. 19, 2011  
Date of amendment to license agreement with Mexico     Oct. 17, 2011  
Ecuador affiliate [Member] | Affiliated Entity [Member]        
License Agreements [Line Items]        
Accounts receivable, additional allowance for doubtful accounts   $ 150,000    
Mexico [Member] | Cryo Cellde Mexico Transaction [Member]        
License Agreements [Line Items]        
Total royalty to be received in monthly installments       $ 1,863,000
Number of installments | Installment       37
Amount of installment to be received related to termination of licenses agreement       $ 50,000
Final payment to be received related to termination of license agreement       $ 13,000
Mexico paid the balance due $ 563,000