Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue Recognition (Tables) [Line Items]

Disaggregation of Revenue [Table Text Block]

	For the Three Months Ended
In thousands	March 31, 2022		March 31, 2021
Digital product sales:
Catalog and small customized products	$	3,237	$	2,093
Large customized products		-		-
Subtotal		3,237		2,093
Digital product lease and maintenance:
Operating leases		171		209
Maintenance agreements		257		284
Subtotal		428		493
Total	$	3,665	$	2,586

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

In thousands	March 31, 2022		December 31, 2021
Gross receivables	$	2,881	$	2,572
Allowance for bad debts		465		423
Net receivables		2,416		2,149
Contract liabilities		3,236		2,011

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

	For the Three Months Ended
In thousands	March 31, 2022		March 31, 2021
Revenue recognized in the period from:
Amounts included in the contract liability at the beginning of the period	$	344	$	479
Performance obligations satisfied in previous periods (for example, due to changes in transaction price)	$	-	$	-