Note C - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Total Revenue	$ 48,553	$ 49,259	$ 97,615	$ 93,013
Marketing Services [Member]
Total Revenue	13,450	14,208	26,374	27,086
Customer Care [Member]
Total Revenue	15,382	19,191	33,123	35,735
Fulfillment and Logistics Services [Member]
Total Revenue	19,721	15,860	38,118	30,192
Transferred over Time [Member]
Total Revenue	43,195	45,159	86,709	85,597
Transferred over Time [Member] | Marketing Services [Member]
Total Revenue	10,610	12,087	21,491	23,535
Transferred over Time [Member] | Customer Care [Member]
Total Revenue	15,382	19,191	33,123	35,735
Transferred over Time [Member] | Fulfillment and Logistics Services [Member]
Total Revenue	17,203	13,881	32,095	26,327
Transferred at Point in Time [Member]
Total Revenue	5,358	4,100	10,906	7,416
Transferred at Point in Time [Member] | Marketing Services [Member]
Total Revenue	2,840	2,121	4,883	3,551
Transferred at Point in Time [Member] | Customer Care [Member]
Total Revenue	0	0	0	0
Transferred at Point in Time [Member] | Fulfillment and Logistics Services [Member]
Total Revenue	$ 2,518	$ 1,979	$ 6,023	$ 3,865