Quarterly report pursuant to sections 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.8
Subsequent Events - Additional Information (Detail) (Value Lighting, USD $)
0 Months Ended
Apr. 17, 2013
Installment
Subsequent Event [Line Items]  
Business combination, cash paid $ 10,600,000
Business combination, shares issuable 8,468,192
Business combination issuance of shares of common stock, value 24,900,000
Business combination, shares issuable, number of installments 4
Maximum
 
Subsequent Event [Line Items]  
Business combination contingent consideration liability $ 11,000,000