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Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 30,273 $ 24,234
Receivables, net 31,222 26,428
Inventories 21,160 18,642
Refundable income taxes 854 0
Prepaid expenses and other current assets 2,957 2,560
Total current assets 86,466 71,864
Property, plant and equipment 121,709 118,388
Less accumulated depreciation and amortization (68,014) (64,633)
Net property, plant and equipment 53,695 53,755
Goodwill 51,838 51,838
Intangible assets, net 19,090 19,718
Non-qualified deferred compensation plan 4,116 3,724
Finance lease right of use assets 92 100
Operating lease right of use assets 1,836 2,052
Other assets 153 153
Total assets 217,286 203,204
Current liabilities:    
Accounts payable 8,355 4,121
Accrued expenses 8,192 7,944
Deferred revenue 1,903 1,887
Finance lease liabilities 15 15
Operating lease liabilities 1,174 1,154
Income taxes payable 0 16
Total current liabilities 19,639 15,137
Deferred income taxes 5,440 5,057
Non-qualified deferred compensation plan 3,981 3,810
Finance lease liabilities 78 86
Operating lease liabilities 703 950
Other liabilities 1,131 1,271
Total liabilities 30,972 26,311
Commitments and contingencies
Stockholders’ equity:    
Preferred stock, $.01 par value, 1,000,000 shares authorized; no shares issued 0 0
Common stock, $.01 par value, 20,000,000 shares authorized; 7.560.963 and 7,531,404 shares issued and outstanding, respectively, at June 30, 2021; 7,529,625 and 7,500,066 shares issued and outstanding, respectively, at December 31, 2020 75 75
Additional paid-in capital 33,027 32,484
Retained earnings 153,799 144,921
Treasury stock at cost, 29,559 shares at June 30, 2021 and 29,559 shares at December 31, 2020 (587) (587)
Total stockholders’ equity 186,314 176,893
Total liabilities and stockholders' equity $ 217,286 $ 203,204