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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Current assets |  |
Cash and cash equivalents | $ 11,464 | $ 18,364
Accounts receivable (less allowance for doubtful accounts of $144 and $474 at March 31, 2024 and December 31, 2023, respectively) | 32,778 | 34,313
Contract assets and unbilled accounts receivable | 8,278 | 7,935
Prepaid expenses | 2,222 | 1,915
Prepaid income taxes and income tax receivable | 1,758 | 1,758
Other current assets | 1,270 | 928
Total current assets | 57,770 | 65,213
Property, plant and equipment (less accumulated depreciation of $37,225 and $36,533, respectively) | 8,412 | 8,855
Right-of-use assets | 24,507 | 25,417
Other assets |  |
Intangible assets, net | 2,640 | 2,820
Goodwill | 1,926 | 1,926
Deferred tax assets, net | 17,106 | 17,268
Other long-term assets | 1,083 | 1,258
Total other assets | 22,755 | 23,272
Total assets | 113,444 | 122,757
Current liabilities |  |
Accounts payable and accrued expenses | 15,991 | 23,176
Accrued payroll and related expenses | 4,749 | 5,615
Deferred revenue and customer advances | 3,713 | 3,195
Customer postage and program deposits | 1,603 | 1,815
Other current liabilities | 9,580 | 9,495
Current portion of lease liabilities | 4,519 | 4,815
Total current liabilities | 40,155 | 48,111
Long-term lease liabilities, net of current portion | 22,811 | 23,691
Other long-term liabilities | 1,924 | 1,928
Total liabilities | 93,482 | 102,900
Stockholders’ equity |  |
Common stock, $1 par value, 25,000,000 shares authorized;12,221,484 shares issued, 7,240,905 and 7,224,718 shares outstanding at March 31, 2024 and December 31, 2023, respectively | 12,221 | 12,221
Additional paid-in capital | 153,177 | 157,889
Retained earnings | 844,749 | 844,920
Less treasury stock, 4,980,579 shares at cost at March 31, 2024 and 4,996,766 shares at cost at December 31, 2023 | (945,906) | (951,083)
Accumulated other comprehensive loss | (44,279) | (44,090)
Total stockholders’ equity | 19,962 | 19,857
Total liabilities and stockholders’ equity | 113,444 | 122,757
Qualified Plan |  |
Current liabilities |  |
Pension liabilities | 10,166 | 10,540
Nonqualified Plan |  |
Current liabilities |  |
Pension liabilities | $ 18,426 | $ 18,630

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