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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balances (in shares) at Dec. 31, 2019 9,746,979        
Balances at Dec. 31, 2019 $ 97 $ 120,544 $ 129,331 $ (1,814) $ 248,158
Net income 0 0 6,562 0 6,562
Pension liability adjustment 0 0 0 49 49
Unrealized gain (loss) on cash flow hedges, net of tax expense/benefit $ 0 0 0 (76) (76)
Issuance of common stock under stock compensation plans (in shares) 53,831        
Issuance of common stock under stock compensation plans $ 1 (619) 0 0 (618)
Share-based compensation expense $ 0 1,433 0 0 1,433
Balances (in shares) at Jun. 30, 2020 9,800,810        
Balances at Jun. 30, 2020 $ 98 121,358 135,893 (1,841) 255,508
Balances (in shares) at Mar. 31, 2020 9,787,995        
Balances at Mar. 31, 2020 $ 98 120,902 129,895 (1,710) 249,185
Net income 0 0 5,998 0 5,998
Pension liability adjustment 0 0 0 24 24
Unrealized gain (loss) on cash flow hedges, net of tax expense/benefit $ 0 0 0 (155) (155)
Issuance of common stock under stock compensation plans (in shares) 12,815        
Issuance of common stock under stock compensation plans $ 0 (517) 0 0 (517)
Share-based compensation expense $ 0 973 0 0 973
Balances (in shares) at Jun. 30, 2020 9,800,810        
Balances at Jun. 30, 2020 $ 98 121,358 135,893 (1,841) 255,508
Balances (in shares) at Dec. 31, 2020 9,805,437        
Balances at Dec. 31, 2020 $ 98 123,013 148,381 (1,866) 269,626
Net income 0 0 4,306 0 4,306
Pension liability adjustment 0 0 0 58 58
Unrealized gain (loss) on cash flow hedges, net of tax expense/benefit $ 0 0 0 48 48
Issuance of common stock under stock compensation plans (in shares) 65,130        
Issuance of common stock under stock compensation plans $ 1 (1,167) 0 0 (1,166)
Share-based compensation expense $ 0 1,840 0 0 1,840
Balances (in shares) at Jun. 30, 2021 9,870,567        
Balances at Jun. 30, 2021 $ 99 123,686 152,687 (1,760) 274,712
Balances (in shares) at Mar. 31, 2021 9,857,961        
Balances at Mar. 31, 2021 $ 99 123,487 150,556 (1,805) 272,337
Net income 0 0 2,131 0 2,131
Pension liability adjustment 0 0 0 29 29
Unrealized gain (loss) on cash flow hedges, net of tax expense/benefit $ 0 0 0 16 16
Issuance of common stock under stock compensation plans (in shares) 12,606        
Issuance of common stock under stock compensation plans $ 0 (944) 0 0 (944)
Share-based compensation expense $ 0 1,143 0 0 1,143
Balances (in shares) at Jun. 30, 2021 9,870,567        
Balances at Jun. 30, 2021 $ 99 $ 123,686 $ 152,687 $ (1,760) $ 274,712