Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2021

Revenue Recognition (Tables) [Line Items]

Disaggregation of Revenue [Table Text Block]

	For the Three Months Ended
In thousands	March 31, 2021		March 31, 2020
Digital product sales:
Catalog and small customized products	$	2,093	$	1,334
Large customized products		-		-
Subtotal		2,093		1,334
Digital product lease and maintenance:
Operating leases		209		279
Maintenance agreements		284		300
Subtotal		493		579
Total	$	2,586	$	1,913

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

In thousands	March 31, 2021		December 31, 2020
Gross receivables	$	2,397	$	2,042
Allowance for bad debts		619		660
Net receivables		1,778		1,382
Contract liabilities		609		618

Schedule Of Changes In Contract Asset And Contract Liability [Table Text Block]

	For the Three Months Ended
In thousands	March 31, 2021		March 31, 2020
Revenue recognized in the period from:
Amounts included in the contract liability at the beginning of the period	$	479	$	69
Performance obligations satisfied in previous periods (for example, due to changes in transaction price)	$	-	$	-