Note 7 - Operating Leases (Details Textual)			12 Months Ended
	Oct. 19, 2021 USD ($) ft²	Mar. 15, 2021 USD ($)	Dec. 31, 2022 USD ($) ft²	Dec. 31, 2021 USD ($)
Operating Lease, Expense			$ 711,000	$ 591,000
Operating Lease, Weighted Average Remaining Lease Term (Year)			5 years 3 months 7 days
Operating Lease, Weighted Average Discount Rate, Percent			4.17%
Operating Lease, Fixed Operating Expense			$ 577,000
Operating Lease, Interest Expense			134,000
Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]
Operating Lease, Expense			$ 150,129	143,149
Sales Offices and Operations [Member] | Nashville, TN [Member]
Operating Leases, Area Leased (Square Foot) | ft²			3,794
Operating Lease, Expense			$ 102,976	85,122
Output Solutions Employees and Warehouse Operations [Member] | San Antonio, TX [Member]
Operating Leases, Area Leased (Square Foot) | ft²			22,400
Operating Lease, Expense			$ 112,504	107,647
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			$ 83,610	81,353
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		$ 34,125	$ 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			$ 75,269
Lease of Select Computer Equipment [Member]
Operating Lease, Expense			$ 12,729	$ 25,000
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