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Long-term Debt (Details Narrative) - USD ($)
 1 Months Ended 12 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Dec. 31, 2016
Dec. 31, 2015
May 31, 2013
Credit line amount outstanding     $ 97,000    
Maximum borrowing capacity     6,500,000    
Line of credit remaining borrowing capacity     6,500,000    
Long-term debt, current     2,988,000    
Amount borrowed during period     969,000    
Debt principal amount     1,611,000    
Interest expense related to long term debt     $ 517,000 $ 283,000  
Equipment Notes Payable [Member]          
Line of credit interest rate     8.32% per annum; the interest for tranches borrowed thereafter was reduced to rates between 7.32% to 8.05% per annum.    
Maximum borrowing capacity     $ 9,690,000   $ 500,000
Line of credit facility interest rate     24.00%    
Long-term debt, current     $ 975,000    
Amount borrowed during period $ 3,381,000        
Minimum [Member] | Prior to Amendment [Member]          
Line of credit facility interest rate     4.313%    
Minimum [Member] | Post Amendment [Member]          
Line of credit facility interest rate     6.125%    
Maximum [Member] | Prior to Amendment [Member]          
Line of credit facility interest rate     4.688%    
Maximum [Member] | Post Amendment [Member]          
Line of credit facility interest rate     6.50%    
East West Bank [Member]          
Credit line amount outstanding   $ 7,500,000      
Increase the revolving line of credit   $ 2,500,000      
Advance due date   Mar. 31, 2017      
Line of credit facility, description   The Original Loan Agreement as amended by the First Amendment is referred to as the “Amended Loan Agreement.” Under the Amended Loan Agreement, through March 31, 2017, the Company may request advances in an aggregate outstanding amount at any time up to the lesser of (a) the revolving line (or $7,500,000) or (b) the sum of $2,000,000 (which the Company refers to as the “sublimit”) plus the amount equal to the Company’s borrowing base, in each case, less the aggregate outstanding principal amount of prior advances.      
Percentage of churn rate   300.00%      
Line of credit interest rate     On or before March 31, 2017, advances will bear interest, at the Company’s option, at the rate of either (A) a variable rate per annum equal to the prime rate as set forth in The Wall Street Journal plus 2.75%, up from 1.25% under the original terms, or (B) at a fixed rate per annum equal to the LIBOR rate for the interest period for the advance plus 5.50%, up from 4.00% under the original terms. After March 31, 2017, the interest rates will revert to their original terms.    
Maximum borrowing capacity     $ 6,500,000    
Line of credit remaining borrowing capacity     97,000    
Proceeds to pay down existing indebtedness     3,381,000    
Facility fee to lender     $ 37,500    
Increase in the revolving line times percentage     0.50%    
Line of credit principal and interest payments due     $ 1,095,000    
Percentage of pays an unused line fee     0.50%    
East West Bank [Member] | Amended Loan Agreement [Member]          
Maximum borrowing capacity     $ 3,381,000    
Proceeds to pay down existing indebtedness     2,000,000    
Facility fee to lender     9,000    
East West Bank [Member] | Minimum [Member]          
Credit line amount outstanding   $ 2,000,000      
East West Bank [Member] | Stump Product Line [Member]          
Concentration risk percentage   50.00%      
Line of credit interest rate   The Amended Loan Agreement requires: (a) that the Company maintain a balance on deposit with the EWB equal to (i) on March 31, 2017, 100% of the aggregate outstanding principal amount of the advances at such time, and (ii) at all times after March 31, 2017, an amount determined by EWB based on the Company’s 2017 financial projections; and (b) that the sum of the following be not less than $2,000,000:      
First Line Of Credit [Member]          
Line of credit principal and interest payments due     $ 1,000,000    
Line of credit, installment term     36 months    
Second Line Of Credit [Member]          
Line of credit principal and interest payments due     $ 1,000,000    
Line of credit, installment term     35 months