Note C - Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Total Revenues	$ 40,522	$ 59,150
Transferred over Time [Member]
Total Revenues	36,763	52,776
Transferred at Point in Time [Member]
Total Revenues	3,759	6,374
B2B [Member]
Total Revenues	11,214	12,785
Agency and Digital Services [Member]
Total Revenues	4,731	6,232
Agency and Digital Services [Member] | Transferred over Time [Member]
Total Revenues	4,592	6,193
Agency and Digital Services [Member] | Transferred at Point in Time [Member]
Total Revenues	139	39
Consumer Brands [Member]
Total Revenues	11,054	12,163
Contact Centers [Member]
Total Revenues	11,836	15,738
Contact Centers [Member] | Transferred over Time [Member]
Total Revenues	11,836	15,738
Contact Centers [Member] | Transferred at Point in Time [Member]
Total Revenues
Financial Service [Member]
Total Revenues	8,105	12,965
Database Marketing Solutions [Member]
Total Revenues	4,997	6,892
Database Marketing Solutions [Member] | Transferred over Time [Member]
Total Revenues	4,416	6,106
Database Marketing Solutions [Member] | Transferred at Point in Time [Member]
Total Revenues	581	786
Health Care [Member]
Total Revenues	4,209	4,627
Direct Mail, Logistics and Fulfillment [Member]
Total Revenues	18,958	30,288
Direct Mail, Logistics and Fulfillment [Member] | Transferred over Time [Member]
Total Revenues	15,919	24,739
Direct Mail, Logistics and Fulfillment [Member] | Transferred at Point in Time [Member]
Total Revenues	3,039	5,549
Retail [Member]
Total Revenues	5,261	12,311
Transportation [Member]
Total Revenues	$ 679	$ 4,299