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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, 2012 | $ 6 | $ 290 | $ 283,281 | $ (237,558) | $ (7) | $ 46,012
Balance (in shares) at Dec. 31, 2012 | 592 | 28,945,228 |  |  |  |
Cancellation of shares |  | (8) | (616) |  |  | (624)
Cancellation of shares (Shares) |  | (800,000) |  |  |  |
Exercise of options |  |  | 10 |  |  | 10
Exercise of options (in shares) |  | 21,500 |  |  |  |
Conversion of Series N preferred shares (Shares) | (13) | 520 |  |  |  |
Compensation cost related to stock options |  |  | 532 |  |  | 532
Comprehensive loss |  |  |  | (6,396) | (37) | (6,433)
Ending Balance at Dec. 31, 2013 | 6 | 282 | 283,207 | (243,954) | (44) | 39,497
Balance (in shares) at Dec. 31, 2013 | 579 | 28,167,248 |  |  |  |
Conversion of Series N preferred shares (Shares) | (4) | 160 |  |  |  |
Compensation cost related to stock options |  |  | 123 |  |  | 123
Comprehensive loss |  |  |  | (25,571) | (6) | (25,577)
Ending Balance at Mar. 31, 2014 | $ 6 | $ 282 | $ 283,330 | $ (269,525) | $ (50) | $ 14,043
Balance (in shares) at Mar. 31, 2014 | 575 | 28,167,408 |  |  |  |

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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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