XML 38 R43.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 0 Months Ended 12 Months Ended
Mar. 08, 2012
Dec. 31, 2013
Dec. 31, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]      
Cash and cash equivalent maturity   three months or less  
Amortization expense related to intangible assets   $ 130,000 $ 113,000
Tax position of the company   50% or greater  
Percentage net sales recorded after customer acknowledgement that service has been completed and accepted   8.00%  
Percentage net sales are recorded when the product is shipped and title passes to the customer   3.00%  
Contract retentions expected to be collected within one year, Total   10,000 424,000
Contract retentions collectible beyond one year, Total   0 0
Non-time and material jobs of short term nature duration description   less than one month  
Number of Customers   1 1
Amnor Technologies
      
Summary of Significant Accounting Policies (Textual) [Abstract]      
Amortization expense related to intangible assets   108,000 90,000
Cash payment for acquisition 100,000    
Shares payment for acquisition 44,000    
Common stock, per share $ 4.95    
Equity Interests Issuable Period 3 years    
Purchase price 322,000    
Transaction cost $ 4,000    
Business acquisition equity interests issued during period, percentage of shares 25.00%    
Estimated useful life 3 years    
Customer one | Sales
      
Concentration Risk [Line Items]      
Customer accountability percentage   17.00% 13.00%
Customer one | Accounts Receivable
      
Concentration Risk [Line Items]      
Customer accountability percentage   9.00% 1.00%
Gulf Coast region
      
Concentration Risk [Line Items]      
Customer accountability percentage   9.00% 17.00%