Condensed Consolidated Balance Sheets (Current period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 10,570	$ 11,911
Restricted cash	2,337	3,222
Accounts receivable (less allowance for doubtful accounts of $170 at June 30, 2022 and $266 at December 31, 2021)	44,894	41,051
Unbilled accounts receivable	5,157	8,134
Contract assets	337	622
Prepaid expenses	2,763	1,948
Prepaid income taxes and income tax receivable	6,752	7,456
Other current assets	11,068	1,031
Total current assets	83,878	75,375
Property, plant and equipment (less accumulated depreciation of $51,791 at June 30, 2022 and $52,512 at December 31, 2021)	9,328	7,747
Right-of-use assets	18,982	22,142
Other assets	1,972	2,597
Total assets	114,160	107,861
Current liabilities
Accounts payable and accrued expenses	17,444	16,132
Accrued payroll and related expenses	4,858	7,028
Deferred revenue and customer advances	6,164	3,942
Customer postage and program deposits	4,751	6,496
Other current liabilities	3,129	2,291
Current portion of lease liabilities	5,307	6,553
Total current liabilities	41,653	42,442
Long-term debt	10,000	5,000
Long-term lease liabilities, net of current portion	16,594	19,215
Other long-term liabilities	3,205	3,697
Total liabilities	122,148	122,853
Preferred Stock, $1 par value, 1,000,000 shares authorized; 9,926 shares of Series A Convertible Preferred Stock, issued and outstanding	9,723	9,723
Stockholders’ deficit
Common stock, $1 par value, 25,000,000 shares authorized;12,121,484 shares issued, 7,032,528 and 6,976,144 shares outstanding at June 30, 2022 and December 31, 2021, respectively	12,121	12,121
Additional paid-in capital	272,727	290,711
Retained earnings	818,900	811,094
Less treasury stock, 5,088,956 shares at cost at June 30, 2022 and 5,145,340 shares at cost at December 31, 2021	(1,066,608)	(1,085,313)
Accumulated other comprehensive loss	(54,851)	(53,328)
Total stockholders’ deficit	(17,711)	(24,715)
Total liabilities, Preferred Stock and stockholders’ deficit	114,160	107,861
Qualified Plan [Member]
Current liabilities
Pension liabilities	26,088	27,359
Nonqualified Plan [Member]
Current liabilities
Pension liabilities	$ 24,608	$ 25,140