Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2019

Policy Text Block [Abstract]

Disaggregation of Revenue [Table Text Block]

	For the Three Months Ended
In thousands	March 31, 2019		March 31, 2018
Digital product sales:
Catalog and small customized products	$	3,091	$	2,948
Large customized products		-		1,000
Subtotal		3,091		3,948
Digital product lease and maintenance:
Operating leases		292		327
Maintenance agreements		216		260
Subtotal		508		587
Total	$	3,599	$	4,535

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

In thousands	March 31, 2019		December 31, 2018
Gross receivables	$	3,943	$	4,067
Allowance for bad debts		1,514		1,796
Net receivables		2,429		2,271
Contract liabilities		906		465

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

	For the Three Months Ended
In thousands	March 31, 2019		March 31, 2018
Revenue recognized in the period from:
Amounts included in the contract liability at the beginning of the period	$	263	$	721
Performance obligations satisfied in previous periods   (for example, due to changes in transaction price)	$	-	$	-