XML 104 R90.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 24 - Subsequent Events (Details Textual)
1 Months Ended 12 Months Ended
Aug. 03, 2017
Aug. 01, 2017
CAD
ft²
Jun. 28, 2017
Jun. 07, 2017
USD ($)
May 05, 2017
USD ($)
May 02, 2017
USD ($)
May 31, 2017
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Payments to Acquire Businesses, Net of Cash Acquired               $ 4,573,700 $ (78,000)
Revolving Credit Facility [Member]                  
Line of Credit Facility, Maximum Borrowing Capacity               $ 25,000,000  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]                  
Debt Instrument, Basis Spread on Variable Rate               2.00%  
Subsequent Event [Member] | Building Lease in Ontario [Member]                  
Area of Real Estate Property | ft²   12,206              
Operating Lease, Lessee, Initial Annual Rent, Amount | CAD   CAD 94,600              
Operating Lease, Lessee, Annual Rent, After Annual Increments, Amount | CAD   CAD 97,000              
Subsequent Event [Member] | Term Loan [Member]                  
Long-term Debt           $ 2,400,000      
Debt Instrument, Periodic Payment, Principal           $ 200,000      
Debt Instrument, Basis Spread on Variable Rate           0.25%      
Subsequent Event [Member] | Revolving Credit Facility [Member]                  
Line of Credit Facility, Maximum Borrowing Capacity           $ 25,000,000      
Debt Instrument, Interest Rate, Increase (Decrease)     0.25%            
Collateral Pledged, Percentage of Foreign Equity Holdings 65.00%                
Subsequent Event [Member] | Contrail Loan Agreement's, Revolving Line of Credit [Member]                  
Line of Credit Facility, Maximum Borrowing Capacity         $ 15,000,000        
Guarantor Obligations, Maximum Exposure, Undiscounted         $ 1,600,000        
Maximum Ratio of Total Liabilities to Tangible Net Worth         2        
Minimum Debt Service Coverage Ratio         1.1        
Subsequent Event [Member] | Contrail Loan Agreement's, Revolving Line of Credit [Member] | Minimum [Member]                  
Tangible Net Worth         $ 3,500,000        
Subsequent Event [Member] | Contrail Loan Agreement's, Revolving Line of Credit [Member] | London Interbank Offered Rate (LIBOR) [Member]                  
Debt Instrument, Basis Spread on Variable Rate         3.00%        
AirCo [Member] | Subsequent Event [Member] | Acquired Inventory and Principal Business Assets, and Assumed Specified Liabilities, of Aircraft Instrument and Radio Company, Incorporated, and Aircraft Instrument and Radio Services, Inc. [Member]                  
Payments to Acquire Businesses, Net of Cash Acquired             $ 2,400,000    
SAIC [Member] | Subsequent Event [Member] | TFS Partners [Member]                  
Payments to Acquire Equity Method Investments       $ 500,000          
Equity Method Investment, Ownership Percentage       40.00%          
TFS Partners [Member] | Subsequent Event [Member] | Fence Store LLC [Member]                  
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest       60.00%