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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2013 | $ 39,973 | $ 266 | $ 22,963 | $ 21,724 | $ (692) | $ (4,288)
Balance (in shares) at Dec. 31, 2013 |  | 25,053 |  |  |  |
Net loss | (474) | $ 0 | 0 | (474) | 0 | 0
Stock-based compensation | 544 | 0 | 544 | 0 | 0 | 0
Issuance of common stock upon exercise of stock options | 97 | $ 1 | 96 | 0 | 0 | 0
Issuance of common stock upon exercise of stock options (in shares) |  | 200 |  |  |  |
Restricted shares withheld for taxes | (14) | $ 0 | (14) | 0 | 0 | 0
Restricted shares withheld for taxes (in shares) |  | (5) |  |  |  |
Acquisition of non-controlling interest | (93) | $ 0 | (93) | 0 | 0 | 0
Pension liability adjustments, net of taxes | 20 | 0 | 0 | 0 | 20 | 0
Foreign currency translation adjustment, net of taxes | 0 |  |  |  |  |
Change in fair value of derivatives, net of taxes | 910 | 0 | 0 | 0 | 910 | 0
Balance at Jun. 30, 2014 | 40,963 | $ 267 | 23,496 | 21,250 | 238 | (4,288)
Balance (in shares) at Jun. 30, 2014 |  | 25,248 |  |  |  |
Balance at Dec. 31, 2014 | 39,223 | $ 268 | 22,780 | 20,750 | (287) | (4,288)
Balance (in shares) at Dec. 31, 2014 |  | 25,337 |  |  |  |
Net loss | (2,639) | $ 0 | 0 | (2,639) | 0 | 0
Stock-based compensation | 559 | 0 | 559 | 0 | 0 | 0
Pension liability adjustments, net of taxes | 20 | 0 | 0 | 0 | 20 | 0
Foreign currency translation adjustment, net of taxes | (420) | 0 | 0 | 0 | 483 | 0
Change in fair value of derivatives, net of taxes | 483 | 0 | 0 | 0 | (420) | 0
Balance at Jun. 30, 2015 | $ 37,226 | $ 268 | $ 23,339 | $ 18,111 | $ (204) | $ (4,288)
Balance (in shares) at Jun. 30, 2015 |  | 25,337 |  |  |  |

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- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E + Details
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