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Stockholders' Equity | 3 Months Ended
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Mar. 31, 2013
Stockholders' Equity Note [Abstract] |
Stockholders' Equity | STOCKHOLDERS’ EQUITY In February 2012, Acacia raised gross proceeds of $225,000,000 through the sale of 6,122,000 shares of Acacia’s common stock at a price of $36.75 per share in a private placement offering with certain institutional accredited investors. Net proceeds, net of placement agent fees and estimated offering expenses, totaled approximately $218,961,000. The net proceeds will continue to be used to finance future acquisitions of patents, other patent licensing vehicles and companies with patent assets, and for working capital and general corporate purposes. Repurchases of Common Stock On November 16, 2012, Acacia's Board of Directors authorized a program for repurchases of shares of Acacia's outstanding common stock. Under the stock repurchase program, effective November 16, 2012, Acacia was authorized to purchase in the aggregate up to $100,000,000 of its outstanding common stock. On April 23, 2013, Acacia's Board of Directors approved an extension of the repurchase plan from May 15, 2013 until August 15, 2013. Repurchases may be made from time to time by Acacia in the open market or in block purchases in compliance with applicable Securities and Exchange Commission rules. Repurchases to date were made using existing cash resources and occurred in the open market. The authorization to repurchase shares presented an opportunity to reduce the outstanding share count and enhance stockholder value. Following are our monthly stock repurchases, all of which were purchased as part of the publicly announced plan or program:
| Total Number of Shares Purchased | Average Price paid per Share | Approximate Dollar Value of Shares that May Yet be Purchased under the Program
November 16, 2012 - November 30, 2012 | 256,262 |  | $ | 21.58 |  | $ | 94,470,000 |
December 1, 2012 - December 31, 2012 | 873,146 |  | $ | 24.26 |  | $ | 73,268,000 |
| 1,129,408 |  | $ | 23.65 |  |

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