Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2022

Revenue Recognition (Tables) [Line Items]

Disaggregation of Revenue [Table Text Block]

In thousands	2022		2021
Digital product sales:
Catalog and small       customized products	$	20,386	$	9,418
Large customized       products		-		-
Subtotal		20,386		9,418
Digital product lease and maintenance:
Operating leases		579		817
Maintenance agreements		696		1,115
Subtotal		1,275		1,932
Total	$	21,661	$	11,350

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

In thousands	2022		2021
Gross receivables	$	3,123	$	2,572
Allowance for bad debts		291		423
Net receivables		2,832		2,149
Contract liabilities		1,229		2,011

Schedule of Changes In Contract Asset and Contract Liability [Table Text Block]

In thousands	2022			2021
Revenue recognized in the period from:
Amounts included in the contract liability   at the beginning of the period	$	1,951	$	484
Performance obligations satisfied in    previous periods (for example, due to    changes in transaction price)		-		-