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Consolidated Statements of Shareholders' Equity (USD $) In Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2010 |  |  |  |  |
Issuance of common stock |  | $ 463 |  |  | $ 463
Issuance of common stock (in Shares) | 412 |  |  |  |
Issuance of common stock under employee stock option and stock purchase plans |  | 47 |  |  | 47
Issuance of common stock under employee stock option and stock purchase plans (in Shares) | 157 |  |  |  |
Stock-based compensation |  | 319 |  |  | 319
Stock-based compensation (in Shares) | 215 |  |  |  |
Stock options exercised (in Shares) | 7 |  |  |  | (7,500)
Warrants issued |  | 33 |  |  | 33
Warrants exercised |  | 6 |  |  | 6
Warrants exercised (in Shares) | 160 |  |  |  |
Foreign currency translation adjustment |  |  | (3) |  | (3)
Net loss |  |  |  | (6,055) | (6,055)
Balances at Dec. 31, 2011 | 1 | 75,962 | 420 | (74,915) | 1,468
Balances (in Shares) at Dec. 31, 2011 | 24,913 |  |  |  |
Issuance of common stock | 3 | 4,798 |  |  | 4,801
Issuance of common stock (in Shares) | 19,600 |  |  |  |
Issuance of common stock under employee stock option and stock purchase plans |  | 25 |  |  | 25
Issuance of common stock under employee stock option and stock purchase plans (in Shares) | 186 |  |  |  |
Stock-based compensation |  | 200 |  |  | 200
Foreign currency translation adjustment |  |  | 40 |  | 40
Net loss |  |  |  | (5,709) | (5,709)
Balances at Dec. 31, 2012 | 4 | 80,985 | 460 | (80,624) | 825
Balances (in Shares) at Dec. 31, 2012 | 44,699 |  |  |  |
Issuance of common stock |  | 2 |  |  | 2
Issuance of common stock (in Shares) | 5 |  |  |  |
Issuance of common stock under employee stock option and stock purchase plans |  | 45 |  |  | 45
Issuance of common stock under employee stock option and stock purchase plans (in Shares) | 196 |  |  |  |
Convertible debt issued for financing |  | 2,697 |  |  | 2,697
Issuance of common stock for conversion of convertible debt | 1 | 1,500 |  |  | 1,501
Issuance of common stock for conversion of convertible debt (in Shares) | 6,522 |  |  |  |
Stock-based compensation |  | 202 |  |  | 202
Stock options exercised (in Shares) |  |  |  |  | (20,000)
Warrants issued |  | 11 |  |  | 11
Foreign currency translation adjustment |  |  | 2 |  | 2
Net loss |  |  |  | (2,361) | (2,361)
Balances at Dec. 31, 2013 | $ 5 | $ 85,442 | $ 462 | $ (82,985) | $ 2,924
Balances (in Shares) at Dec. 31, 2013 | 51,422 |  |  |  |

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