Goodwill and Intangible assets (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jan. 30, 2015
Dec. 31, 2014
Preliminary allocation of consideration        
Goodwill $ 2,753,000     $ 231,000
Estimated life of intangible assets 4 years 9 months 18 days      
Intangible assets        
Gross Carrying Amount 7,489,000     2,650,000
Accumulated Amortization (1,566,000)     (1,241,000)
Intangible assets, net 5,923,000     1,409,000
Weighted average amortization period 4 years 9 months 18 days      
Amortization expense        
Amortization of intangible assets 325,000 98,000    
Amortization of finite-lived intangible assets        
2015 1,177,000      
2016 1,384,000      
2017 1,204,000      
2018 1,109,000      
2019 968,000      
2020 81,000      
Intangible assets, net 5,923,000     1,409,000
Nexus        
Preliminary allocation of consideration        
Cash     121,000  
Inventory     2,346,000  
Other assets acquired     1,247,000  
Intangible assets     5,030,000  
Goodwill     2,618,000  
Total assets acquired     11,362,000  
Accounts Payable     2,273,000  
Other liabilities assumed     589,000  
Net assets acquired     8,500,000  
Escrow Deposit     750,000  
Total Consideration     8,500,000  
Acquisition related costs associated with Extra Vegetables     600,000  
Acquired technology        
Preliminary allocation of consideration        
Estimated life of intangible assets 4 years 9 months 18 days      
Intangible assets        
Gross Carrying Amount 7,076,000     2,597,000
Accumulated Amortization (1,524,000)     (1,214,000)
Intangible assets, net 5,552,000     1,383,000
Weighted average amortization period 4 years 9 months 18 days      
Amortization of finite-lived intangible assets        
Intangible assets, net 5,552,000     1,383,000
Customer Relationships        
Preliminary allocation of consideration        
Estimated life of intangible assets 5 years      
Intangible assets        
Gross Carrying Amount 360,000      
Accumulated Amortization (12,000)      
Intangible assets, net 348,000      
Weighted average amortization period 5 years      
Amortization of finite-lived intangible assets        
Intangible assets, net 348,000      
Non-competition agreement        
Preliminary allocation of consideration        
Estimated life of intangible assets 2 years      
Intangible assets        
Gross Carrying Amount 53,000     53,000
Accumulated Amortization (30,000)     (27,000)
Intangible assets, net 23,000     26,000
Weighted average amortization period 2 years      
Amortization of finite-lived intangible assets        
Intangible assets, net $ 23,000     $ 26,000