Note C - Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total Revenues	$ 47,702	$ 51,414	$ 129,825	$ 165,250
Transferred over Time [Member]
Total Revenues	43,915	46,951	119,003	150,079
Transferred at Point in Time [Member]
Total Revenues	3,787	4,463	10,822	15,171
B2B [Member]
Total Revenues	17,050	11,290	42,462	35,149
Agency and Digital Services [Member]
Total Revenues	4,932	6,562	14,628	19,200
Agency and Digital Services [Member] | Transferred over Time [Member]
Total Revenues	4,845	6,286	14,318	18,793
Agency and Digital Services [Member] | Transferred at Point in Time [Member]
Total Revenues	87	276	310	407
Consumer Brands [Member]
Total Revenues	14,087	11,171	37,727	35,222
Contact Centers [Member]
Total Revenues	21,032	14,618	51,274	46,688
Contact Centers [Member] | Transferred over Time [Member]
Total Revenues	21,032	14,618	51,274	46,688
Contact Centers [Member] | Transferred at Point in Time [Member]
Total Revenues
Financial Service [Member]
Total Revenues	6,531	11,635	21,513	36,850
Database Marketing Solutions [Member]
Total Revenues	5,141	6,442	15,450	19,282
Database Marketing Solutions [Member] | Transferred over Time [Member]
Total Revenues	4,341	5,272	13,347	16,745
Database Marketing Solutions [Member] | Transferred at Point in Time [Member]
Total Revenues	800	1,170	2,103	2,537
Health Care [Member]
Total Revenues	4,111	5,257	12,283	14,946
Direct Mail, Logistics and Fulfillment [Member]
Total Revenues	16,597	23,792	48,473	80,080
Direct Mail, Logistics and Fulfillment [Member] | Transferred over Time [Member]
Total Revenues	13,697	20,775	40,064	67,853
Direct Mail, Logistics and Fulfillment [Member] | Transferred at Point in Time [Member]
Total Revenues	2,900	3,017	8,409	12,227
Retail [Member]
Total Revenues	5,392	8,803	14,014	31,752
Transportation [Member]
Total Revenues	$ 531	$ 3,258	$ 1,826	$ 11,331