CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock Issued | Common Stock in Treasury | Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings |
Balance (in shares) at Dec. 31, 2018 | | 23,933 | (10,116) | | | |
Balance at Dec. 31, 2018 | $ 262,960 | $ 239 | $ (275,889) | $ 276,103 | $ (20,281) | $ 282,788 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | (1,005) | | | | | (1,005) |
Currency translation adjustment | 1,733 | | | | 1,733 | |
Shares issued for employee benefit plan and compensation (in shares) | | 78 | | | | |
Shares issued for employee benefit plan and compensation | 347 | $ 1 | | 346 | | |
Purchase of treasury shares (in shares) | | | (43) | | | |
Purchase of treasury shares | (1,215) | | $ (1,215) | | | |
Shares issued to directors (in shares) | | 8 | | | | |
Shares issued to directors | 0 | $ 0 | | | | |
Employee and director stock-based compensation | 1,918 | | | 1,918 | | |
Performance-based common stock warrants | 434 | | | 434 | | |
Balance (in shares) at Mar. 31, 2019 | | 24,019 | (10,159) | | | |
Balance at Mar. 31, 2019 | 265,172 | $ 240 | $ (277,104) | 278,801 | (18,548) | 281,783 |
Balance (in shares) at Dec. 31, 2018 | | 23,933 | (10,116) | | | |
Balance at Dec. 31, 2018 | 262,960 | $ 239 | $ (275,889) | 276,103 | (20,281) | 282,788 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | (3,397) | | | | | |
Currency translation adjustment | $ (5,557) | | | | | |
Purchase of treasury shares (in shares) | (55) | | | | | |
Purchase of treasury shares | $ (1,741) | | | | | |
Balance (in shares) at Sep. 30, 2019 | | 24,099 | (10,171) | | | |
Balance at Sep. 30, 2019 | 261,651 | $ 241 | $ (277,630) | 285,487 | (25,838) | 279,391 |
Balance (in shares) at Mar. 31, 2019 | | 24,019 | (10,159) | | | |
Balance at Mar. 31, 2019 | 265,172 | $ 240 | $ (277,104) | 278,801 | (18,548) | 281,783 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | (5,061) | | | | | (5,061) |
Currency translation adjustment | (1,833) | | | | (1,833) | |
Shares issued for employee benefit plan and compensation (in shares) | | 17 | | | | |
Shares issued for employee benefit plan and compensation | 273 | | | 273 | | |
Purchase of treasury shares (in shares) | | | (5) | | | |
Purchase of treasury shares | (189) | | $ (189) | | | |
Shares issued to directors (in shares) | | 7 | | | | |
Shares issued to directors | 0 | $ 0 | | 0 | | |
Employee and director stock-based compensation | 2,273 | | | 2,273 | | |
Performance-based common stock warrants | 236 | | | 236 | | |
Balance (in shares) at Jun. 30, 2019 | | 24,043 | (10,164) | | | |
Balance at Jun. 30, 2019 | 260,871 | $ 240 | $ (277,293) | 281,583 | (20,381) | 276,722 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | 2,669 | | | | | 2,669 |
Currency translation adjustment | (5,457) | | | | (5,457) | |
Shares issued for employee benefit plan and compensation (in shares) | | 29 | | | | |
Shares issued for employee benefit plan and compensation | 256 | $ 1 | | 255 | | |
Purchase of treasury shares (in shares) | | | (7) | | | |
Purchase of treasury shares | (337) | | $ (337) | | | |
Stock options exercised (in shares) | | 20 | | | | |
Stock options exercised | 411 | | | 411 | | |
Shares issued to directors (in shares) | | 7 | | | | |
Shares issued to directors | 0 | $ 0 | | 0 | | |
Employee and director stock-based compensation | 2,527 | | | 2,527 | | |
Performance-based common stock warrants | 711 | | | 711 | | |
Balance (in shares) at Sep. 30, 2019 | | 24,099 | (10,171) | | | |
Balance at Sep. 30, 2019 | 261,651 | $ 241 | $ (277,630) | 285,487 | (25,838) | 279,391 |
Balance (in shares) at Dec. 31, 2019 | | 24,118 | (10,174) | | | |
Balance at Dec. 31, 2019 | 274,399 | $ 241 | $ (277,817) | 288,338 | (22,781) | 286,418 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | 5,846 | | | | | 5,846 |
Currency translation adjustment | (7,009) | | | | (7,009) | |
Shares issued for employee benefit plan and compensation (in shares) | | 129 | | | | |
Shares issued for employee benefit plan and compensation | 527 | $ 1 | | 526 | | |
Purchase of treasury shares (in shares) | | | (169) | | | |
Purchase of treasury shares | (6,291) | | $ (6,291) | | | |
Shares issued to directors (in shares) | | 9 | | | | |
Shares issued to directors | 0 | $ 1 | | (1) | | |
Employee and director stock-based compensation | 2,303 | | | 2,303 | | |
Performance-based common stock warrants | 184 | | | 184 | | |
Balance (in shares) at Mar. 31, 2020 | | 24,256 | (10,343) | | | |
Balance at Mar. 31, 2020 | 269,959 | $ 243 | $ (284,108) | 291,350 | (29,790) | 292,264 |
Balance (in shares) at Dec. 31, 2019 | | 24,118 | (10,174) | | | |
Balance at Dec. 31, 2019 | 274,399 | $ 241 | $ (277,817) | 288,338 | (22,781) | 286,418 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | 26,414 | | | | | |
Currency translation adjustment | $ (2,774) | | | | | |
Purchase of treasury shares (in shares) | (263) | | | | | |
Purchase of treasury shares | $ (9,822) | | | | | |
Stock options exercised (in shares) | 0 | | | | | |
Balance (in shares) at Sep. 30, 2020 | | 24,293 | (10,437) | | | |
Balance at Sep. 30, 2020 | $ 296,555 | $ 243 | $ (287,639) | 296,674 | (25,555) | 312,832 |
Balance (in shares) at Mar. 31, 2020 | | 24,256 | (10,343) | | | |
Balance at Mar. 31, 2020 | 269,959 | $ 243 | $ (284,108) | 291,350 | (29,790) | 292,264 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | 14,400 | | | | | 14,400 |
Currency translation adjustment | (770) | | | | (770) | |
Shares issued for employee benefit plan and compensation (in shares) | | 13 | | | | |
Shares issued for employee benefit plan and compensation | 212 | $ 0 | | 212 | | |
Purchase of treasury shares (in shares) | | | (3) | | | |
Purchase of treasury shares | (114) | | $ (114) | | | |
Employee and director stock-based compensation | 2,291 | | | 2,291 | | |
Performance-based common stock warrants | 154 | | | 154 | | |
Balance (in shares) at Jun. 30, 2020 | | 24,269 | (10,346) | | | |
Balance at Jun. 30, 2020 | 286,132 | $ 243 | $ (284,222) | 294,007 | (30,560) | 306,664 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income (loss) | 6,168 | | | | | 6,168 |
Currency translation adjustment | 5,005 | | | | 5,005 | |
Shares issued for employee benefit plan and compensation (in shares) | | 15 | | | | |
Shares issued for employee benefit plan and compensation | 220 | $ 0 | | 220 | | |
Purchase of treasury shares (in shares) | | | (91) | | | |
Purchase of treasury shares | (3,417) | | $ (3,417) | | | |
Shares issued to directors (in shares) | | 9 | | | | |
Shares issued to directors | 0 | $ 0 | | 0 | | |
Employee and director stock-based compensation | 2,260 | | | 2,260 | | |
Performance-based common stock warrants | 187 | | | 187 | | |
Balance (in shares) at Sep. 30, 2020 | | 24,293 | (10,437) | | | |
Balance at Sep. 30, 2020 | $ 296,555 | $ 243 | $ (287,639) | $ 296,674 | $ (25,555) | $ 312,832 |