Quarterly report pursuant to sections 13 or 15(d)

Business Acquisition (Details)

v2.4.0.6
Business Acquisition (Details) (USD $)
3 Months Ended 1 Months Ended 0 Months Ended
Mar. 31, 2013
Installments
Dec. 31, 2012
Oct. 31, 2011
Safety and Ecology Holdings Corporation [Member]
Oct. 31, 2011
Safety and Ecology Holdings Corporation [Member]
Promissory Note [Member]
Feb. 12, 2013
Safety and Ecology Holdings Corporation [Member]
New Note [Member]
Business Acquisition [Line Items]          
Cancelled debt principal balance pursuant to settlement agreement       $ 1,460,000  
Promissory note       2,500,000  
Term of debt         2 years
Promissory note issued pursuant to settlement agreement 14,527,000 14,267,000     230,000
Annual rate of interest (in hundredths)         6.00%
Number of monthly installments 36       24
Frequency of periodic payment         monthly
Periodic payment 40,000       10,000
Date of first required payment         Feb. 28, 2013
Escrow balance released     500,000    
Escrow deposit     2,000,000    
Escrow deposit received     $ 1,500,000