Note C - Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Revenue	[1]	$ 176,900	$ 217,577
Marketing Services [Member]
Revenue		57,093	66,158
Customer Care [Member]
Revenue		58,668	48,439
Fulfillment and Logistics Services [Member]
Revenue		61,139	102,980
Transferred over Time [Member]
Revenue		162,592	197,343
Transferred over Time [Member] | Marketing Services [Member]
Revenue		51,421	62,054
Transferred over Time [Member] | Customer Care [Member]
Revenue		58,668	48,439
Transferred over Time [Member] | Fulfillment and Logistics Services [Member]
Revenue		52,503	86,850
Transferred at Point in Time [Member]
Revenue		14,308	20,234
Transferred at Point in Time [Member] | Marketing Services [Member]
Revenue		5,672	4,104
Transferred at Point in Time [Member] | Customer Care [Member]
Revenue
Transferred at Point in Time [Member] | Fulfillment and Logistics Services [Member]
Revenue		$ 8,636	$ 16,130

[1] Geographic revenues are based on the location of the service being performed.