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LONG TERM DEBT AND NOTES PAYABLE TO BANK (MidCap) (Details) - USD ($)
3 Months Ended
Nov. 09, 2018
Jul. 01, 2018
Jun. 04, 2018
Mar. 31, 2017
Feb. 29, 2016
Mar. 31, 2019
Mar. 31, 2018
Jun. 03, 2018
Jun. 23, 2017
Apr. 26, 2017
Debt Instrument [Line Items]                    
Principal amount due to related party                 $ 129,000.0  
Loan fees paid           $ 22,200 $ 94,000      
Loan amortization expense           $ 27,000 $ 32,000      
Line of Credit [Member] | MidCap 2016 Loan [Member]                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity     $ 10,000,000.0 $ 8,000,000.0 $ 6,000,000.0     $ 8,000,000.0    
Line of Credit Facility Borrowing Capacity Percent of Eligible Domestic Accounts Receivable       85.00%            
Eligible inventory       $ 2,500,000            
Percent of eligible inventory       75.00%            
Line of Credit Facility Borrowing Capacity Appraised Net Forced Liquidation Value Of Eligible Fixed Assets       $ 400,000            
Percent of eligible fixed assets       40.00%            
Minimum borrowing capacity required       $ 350,000.0            
Fixed Charge Coverage Ratio, multiple used to replace the covenant       1.1            
Increase in amount available under credit facility   $ 350,000.0                
Loan fees paid     $ 15,000.0 $ 20,000.0            
Interest penalties paid as a result of laon agreement termination $ 106,800                  
Equipment Sublimit [Member] | Line of Credit [Member] | MidCap 2016 Loan [Member]                    
Debt Instrument [Line Items]                    
Eligible inventory         $ 500,000          
Percent of eligible inventory accounts receivable         85.00%          
Eligible accounts receivable         $ 2,500,000          
Percent of eligible inventory         75.00%          
Percent of eligible fixed assets       45.00% 40.00%          
Amortization period for equipment sublimit (in months)         60 months          
Line of Credit Facility Borrowing Capacity Eligible Fixed Assets       $ 1,750,000           $ 1,750,000
Secured Debt [Member] | Line of Credit [Member] | MidCap 2016 Loan [Member]                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity         $ 6,000,000.0          
Collateral-monitoring fee percent         0.275%          
Annual facility fee         1.00%          
Unused line fee percent         0.50%          
Fixed Charge Coverage Ratio, multiple achieved on an annual basis         0.010          
Minimum borrowing capacity required         $ 350,000.0          
Amount eligible for sale or refinance         $ 3,000,000.0          
Secured Debt [Member] | Line of Credit [Member] | MidCap 2016 Loan [Member] | Prime Rate [Member]                    
Debt Instrument [Line Items]                    
Basis spread on variable rate         2.50%          
Prime rate percent         5.25%          
Interest rate increase         3.00%