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Note 3 - Debt (Details Textual)
12 Months Ended 108 Months Ended
Oct. 28, 2020
USD ($)
Apr. 18, 2020
USD ($)
Apr. 15, 2020
USD ($)
Dec. 12, 2018
USD ($)
shares
Aug. 01, 2018
USD ($)
shares
Oct. 24, 2016
USD ($)
Aug. 16, 2016
USD ($)
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
Dec. 31, 2020
USD ($)
shares
Nov. 10, 2020
USD ($)
Sep. 30, 2020
USD ($)
May 12, 2020
USD ($)
Mar. 26, 2020
USD ($)
Jul. 16, 2018
USD ($)
Proceeds from Issuance of Long-term Debt, Total               $ 1,975,000            
Treasury Stock, Shares, Acquired (in shares) | shares       50,000 100,000     4,833   1,314,694          
Long-term Debt, Total               $ 2,717,000   $ 2,717,000          
Paycheck Protection Program Loan and Monthly Payments   $ 3,000                          
Proceeds from Parent Paycheck Protection Program Under CARES Act   $ 128,000                          
Wilhelmina International LTD [Member]                              
Proceeds from Sub Paycheck Protection Program Under CARES Act     $ 1,800                        
Paycheck Protection Program Loan and Monthly Payments     $ 43,000                        
Thirteenth Amendment to Credit Agreement [Member] | Revolving Credit Facility [Member] | Amegy [Member]                              
Debt Agreement, Covenant Compliance, Minimum Net Worth                 $ 20,000,000         $ 4,000,000  
Paycheck Protection Program CARES Act [Member]                              
Long-term Debt, Total                       $ 2,000,000      
Amegy [Member] | Term Loan [Member]                              
Repayments of Debt $ 600,000                            
Amegy [Member] | Credit Agreement After Fifth Amendment [Member] | Revolving Credit Facility [Member]                              
Debt Agreement, Maximum Borrowing Capacity           $ 4,000,000                  
Debt Agreement, Borrowing Base Percentage of Collateral Modified From           80.00%                  
Amegy [Member] | Credit Agreement After Fifth Amendment [Member] | Revolving Credit Facility [Member] | Prime Rate [Member]                              
Debt Instrument, Basis Spread on Variable Rate           0.50%                  
Amegy [Member] | Credit Agreement After Fifth Amendment [Member] | Term Loan [Member]                              
Debt Agreement, Maximum Borrowing Capacity           $ 3,000,000                  
Proceeds from Issuance of Long-term Debt, Total             $ 2,700,000                
Debt Instrument, Interest Rate, Stated Percentage             4.50%                
Long-term Debt, Number of Monthly Payments, Principal and Interest             47                
Amegy [Member] | Credit Agreement After Fifth Amendment [Member] | Standby Letters of Credit [Member]                              
Long-term Line of Credit, Total               200,000   200,000          
Line of Credit Facility, Remaining Borrowing Capacity               1,700,000   1,700,000          
Amegy [Member] | Tenth Amendment to Credit Agreement [Member] | Term Loan [Member]                              
Debt Agreement, Maximum Borrowing Capacity                             $ 1,000,000
Proceeds from Issuance of Long-term Debt, Total       $ 300,000 $ 700,000                    
Debt Instrument, Interest Rate, Stated Percentage                             5.15%
Long-term Debt, Total               $ 700,000   $ 700,000          
Amegy [Member] | Thirteenth Amendment to Credit Agreement [Member] | Revolving Credit Facility [Member]                              
Debt Agreement, Covenant Compliance, Minimum Net Worth                         $ 3,000,000    
Amegy [Member] | Credit Agreement Fifteenth Amendment [Member] | Revolving Credit Facility [Member]                              
Debt Agreement, Covenant Compliance, Minimum Net Worth                     $ 1,500,000