Annual report pursuant to section 13 and 15(d)

Intangible Assets Subject to Amortization (Detail)

v2.4.0.6
Intangible Assets Subject to Amortization (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 12,925,921 $ 3,423,459
Accumulated Amortization (873,045) (879,490)
Net Carrying Amount 12,052,876 2,543,969
Patents
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 267,904 1,286,437
Accumulated Amortization (106,725) (197,803)
Net Carrying Amount 161,179 1,088,634
Trademarks
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 4,314,000 908,998
Accumulated Amortization (249,803) (192,461)
Net Carrying Amount 4,064,197 716,537
Customer Relationships
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 8,283,000 1,010,000
Accumulated Amortization (486,983) (370,333)
Net Carrying Amount 7,796,017 639,667
Noncompete Agreements
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount   60,000
Accumulated Amortization   (55,000)
Net Carrying Amount   5,000
Product Certification And Licensing Costs
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 61,017 158,024
Accumulated Amortization (29,534) (63,893)
Net Carrying Amount $ 31,483 $ 94,131