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Note 1 - Organization and Basis of Presentation (Details Textual)
Dec. 31, 2019
USD ($)
Apr. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Aug. 30, 2018
Aug. 30, 2016
USD ($)
Cash and Cash Equivalents, at Carrying Value, Ending Balance $ 1,609,000   $ 840,000    
Working Capital (Deficit) 7,761,000   5,104,000    
Line of Credit Facility, Maximum Borrowing Capacity 2,000,000        
Line of Credit, Current 2,000,000   $ 2,000,000    
First Foundation Bank [Member]          
Long-term Debt and Capital Lease Obligations, Current and Noncurrent 5,410,000        
Debt Service Coverage Ratio     (0.66)    
Debt Covenant, Minimum Debt Service Coverage Ratio     1.25    
First Foundation Bank [Member] | Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 2,000,000
Line of Credit, Current 2,000,000   $ 2,000,000    
Current Ratio     1.49    
Debt Covenant, Minimum Current Ratio     1.5 1.5  
Skywords Note [Member] | Unsecured Subordinated Loan [Member]          
Debt Instrument, Face Amount $ 1,500,000 $ 1,500,000