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Related Party Transactions (Details) - USD ($)
4 Months Ended 12 Months Ended
Apr. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Director Affiliated Entity | ABM Industries, Inc. (ABM)      
Related Party Transaction [Line Items]      
Revenue, related parties $ 44,000   $ 133,000
Accounts receivable, related parties, current   $ 1,000  
Director      
Related Party Transaction [Line Items]      
Related party transaction, amounts of transaction, monthly   12,500  
Related party transaction, amounts of transaction   0 $ 39,000
Accounts payable, related parties   $ 0  
President and CEO      
Related Party Transaction [Line Items]      
Note payable, individual ownership percentage   27.00%  
Main Street Capital Corporation      
Related Party Transaction [Line Items]      
Common shares owned by stockholder , greater than (percent)   22.00%  
Common shares owned by stockholder   7,711,517  
Common shares owned by stockholder (percent)   22.00%