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COMMON STOCK PURCHASE AND OPTION TO PURCHASE ADDITIONAL SHARES (Details) (USD $) | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | 2 Months Ended
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Feb. 01, 2010 item | Dec. 31, 2010 | Dec. 31, 2010 Common Stock | Sep. 07, 2010 BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP | Feb. 01, 2010 BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP | Sep. 07, 2010 BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP Option to purchase additional shares | Dec. 31, 2012 BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP Option to purchase additional shares | Sep. 07, 2010 BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP Common Stock | Sep. 07, 2010 BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP Common Stock Option to purchase additional shares | Nov. 08, 2010 Elite Noble Limited | Oct. 07, 2010 Elite Noble Limited | Nov. 08, 2010 Elite Noble Limited
COMMON STOCK PURCHASE AND OPTION TO PURCHASE ADDITIONAL SHARES |  |  |  |  |  |  |  |  |  |  |  |  |
Number of unrelated investment funds | 2 |  |  |  |  |  |  |  |  |  |  |  |
COMMON STOCK PURCHASE AND OPTION TO PURCHASE ADDITIONAL SHARES |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed investment |  |  |  |  |  | $ 48,500,000 |  |  |  |  |  |  |
Purchase price per share (in dollars per share) |  |  |  |  | $ 2.2 |  |  |  |  |  |  |  |
Reduced purchase price per share (in dollars per share) |  |  |  |  | $ 2.027 |  |  |  |  |  |  |  |
Option to purchase additional shares. Maximum (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 3,972,251
Option to purchase additional shares after reverse share split, maximum (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 1,324,084
Option to purchase additional shares, maximum, value |  |  |  |  |  |  |  |  |  |  |  |  | 8,100,000
Exercise price per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 2.047 | $ 2.027 |
Exercise price per share after reverse share split (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 6.141 | $ 6.081 |
Stock issued during period (in shares) |  |  | 7,515,491 | [1] |  |  |  |  | 18,073,202 |  |  |  |
Stock issued during period after reverse share split (in shares) |  |  |  |  |  |  |  |  | 6,024,401 |  |  |  |
Net cash proceeds from issuance of common stock |  | 34,594,000 |  |  | 34,600,000 |  | 500,000 |  | 34,100,000 |  |  |  |
Fair Value of Option |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |
Risk-free interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 0.16% |  |  |
Volatility rate (as a percent) |  |  |  |  |  |  |  |  |  | 55.00% |  |  |
Contractual life |  |  |  |  |  |  |  |  |  | 2 months 12 days |  |  |
Dividend rate (as a percent) |  |  |  |  |  |  |  |  |  | 0.00% |  |  |
[1] | Authorized share capital of the company was amended by the consolidation of the existing 750,000,000 Ordinary Shares of US$0.00125 par value each into 250,000,000 Ordinary Shares of US$0.00375 par value each effective from March 21, 2013. The authorized shares, issued shares, outstanding shares, and treasury stock shares for 2012 and 2011 have been adjusted retroactively to reflect the one for three reverse share split.

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