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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data | Preferred Stock [Member] | Common Stock [Member] | Additional Paid-In Capital [Member] | Accumulated deficit [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2011 | $ 6 | $ 271 | $ 278,408 | $ (235,745) |  | $ 42,940
Balance (in shares) at Dec. 31, 2011 | 592 |  |  |  |  |
Beginning Balance (Shares) at Dec. 31, 2011 |  | 27,117,450 |  |  |  |
Issuance of common stock |  | 19 | 3,135 |  |  | 3,154
Issuance of common stock (Shares) |  | 1,800,000 |  |  |  |
Exercise of options |  |  | 14 |  |  | 14
Exercise of options (Shares) |  | 27,778 |  |  |  |
Issuance of options |  |  | 1,131 |  |  | 1,131
Compensation cost related to stock options |  |  | 593 |  |  | 593
Comprehensive loss |  |  |  | (1,813) | (7) | (1,820)
Balance at Dec. 31, 2012 | 6 | 290 | 283,281 | (237,558) | (7) | 46,012
Balance (Shares) at Dec. 31, 2012 | 592 | 28,945,228 |  |  |  |
Exercise of options |  |  | 10 |  |  | 10
Exercise of options (Shares) |  | 21,500 |  |  |  |
Issuance of options |  |  |  |  |  | 0
Compensation cost related to stock options |  |  | 327 |  |  | 327
Comprehensive loss |  |  |  | (1,390) | (9) | (1,399)
Balance at Jun. 30, 2013 | $ 6 | $ 290 | $ 283,618 | $ (238,948) | $ (16) | $ 44,950
Balance (Shares) at Jun. 30, 2013 | 592 | 28,966,728 |  |  |  |

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=16317811 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 + 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 SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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