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Note 7 - Operating Leases (Details Textual)
12 Months Ended
Dec. 31, 2023
USD ($)
ft²
Dec. 31, 2022
USD ($)
Jan. 31, 2023
ft²
Oct. 19, 2021
ft²
Operating Lease, Expense $ 674,000 $ 711,000    
Operating Lease, Weighted Average Remaining Lease Term (Year) 4 years 2 months 12 days      
Operating Lease, Weighted Average Discount Rate, Percent 4.47%      
Operating Lease, Fixed Operating Expense $ 544,000      
Operating Lease, Interest Expense 130,000      
Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Lease, Expense $ 157,682 150,129    
Sales Offices and Operations [Member] | Nashville, TN [Member]        
Operating Leases, Area Leased (Square Foot) | ft² 3,794      
Operating Lease, Expense $ 36,995 102,976    
Output Solutions Employees and Warehouse Operations [Member] | San Antonio, TX [Member]        
Operating Leases, Area Leased (Square Foot) | ft² 22,400      
Operating Lease, Expense $ 117,836 112,504    
Lessee, Operating Lease, Remaining Lease Term (Month) 45 months      
Lease for Technology Organization [Member] | Austin, TX [Member]        
Operating Leases, Area Leased (Square Foot) | ft²     1,890  
Operating Lease, Expense $ 79,467 83,610    
Lessee, Operating Lease, Term of Contract (Month)     25 months  
Amended Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Leases, Area Leased (Square Foot) | ft² 2,734      
Operating Lease, Expense $ 48,113 46,658    
Lessee, Operating Lease, Term of Contract (Month) 23 months      
Amendment Two of Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Leases, Area Leased (Square Foot) | ft²       6,628
Operating Lease, Expense $ 104,375 75,269    
Lease of Select Computer Equipment [Member]        
Operating Lease, Expense $ 6,546 $ 12,729    
Maximum [Member] | Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Leases, Area Leased (Square Foot) | ft² 10,535      
Maximum [Member] | Output Solutions Employees and Warehouse Operations [Member] | San Antonio, TX [Member]        
Operating Lease, Annual Expense $ 133,703      
Maximum [Member] | Amended Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Lease, Annual Expense 60,148      
Maximum [Member] | Amendment Two of Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Lease, Annual Expense 145,816      
Minimum [Member] | Output Solutions Employees and Warehouse Operations [Member] | San Antonio, TX [Member]        
Operating Lease, Annual Expense 123,554      
Minimum [Member] | Amended Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Lease, Annual Expense 56,047      
Minimum [Member] | Amendment Two of Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]        
Operating Lease, Annual Expense $ 135,874