Note 8 - Operating Leases (Details Textual)			12 Months Ended
	Oct. 19, 2021 USD ($) ft²	Mar. 15, 2021 USD ($) ft²	Dec. 31, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)	Jan. 01, 2021 ft²
Operating Lease, Expense			$ 591,000	$ 360,000
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			$ 457,000
Operating Lease, Interest Expense			134,000
Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]
Operating Leases, Area Leased (Square Foot) | ft²	6,628	2,734
Operating Lease, Expense			$ 143,149	136,713
Operating Lease, Annual Expense		$ 34,125
Sales Offices and Operations [Member] | Nashville, TN [Member]
Operating Leases, Area Leased (Square Foot) | ft²			3,794
Operating Lease, Expense			$ 85,122	81,474
Output Solutions Employees and Warehouse Operations [Member] | San Antonio, TX [Member]
Operating Leases, Area Leased (Square Foot) | ft²			22,400
Lessee, Operating Lease, Remaining Lease Term (Month)			45 months
Operating Lease, Annual Expense			$ 107,647
Lease for Technology Organization [Member] | Austin, TX [Member]
Operating Leases, Area Leased (Square Foot) | ft²					1,890
Operating Lease, Annual Expense			81,353
Lessee, Operating Lease, Term of Contract (Month)					25 months
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
Operating Lease, Annual Expense	$ 145,816	60,148
Maximum [Member] | Output Solutions Employees and Warehouse Operations [Member] | San Antonio, TX [Member]
Operating Lease, Annual Expense			$ 133,703
Minimum [Member] | Office Space, Executive Offices and Operations [Member] | San Antonio, TX [Member]
Operating Lease, Annual Expense	$ 135,874	$ 56,047
Minimum [Member] | Output Solutions Employees and Warehouse Operations [Member] | San Antonio, TX [Member]
Operating Lease, Annual Expense			$ 123,554