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v3.5.0.2

Subsequent Event (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
May 03, 2016 | Apr. 13, 2016 | Apr. 30, 2016 | Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2016 | Aug. 31, 2014
Subsequent Event [Line Items] |  |  |  |  |  |  |
Warrants issued is public offering (shares) |  |  |  |  |  |  | 3,264,643
Warrant exercise price (USD per share) |  |  |  |  |  |  | $ 125.08
Annual royalty revenue |  |  |  | $ 14,390 | $ 10,287 |  |
Corporate Headquarters - La Jolla | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Rent expense |  |  | $ 51 |  |  |  |
Annual increase in rent expense (percent) |  |  | 3.00% |  |  |  |
Viking Therapeutics, Inc. | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Shares issued in public offering (shares) |  | 7,500,000 |  |  |  |  |
Warrants issued is public offering (shares) |  | 7,500,000 |  |  |  |  |
Public offering share price (USD per share) |  | $ 1.25 |  |  |  |  |
Warrant exercise price (USD per share) |  | $ 1.50 |  |  |  |  |
Public offering shares purchased by the Company (shares) |  | 560,000 |  |  |  |  |
Public offering warrants purchased by the Company (USD per share) |  | 560,000 |  |  |  |  |
Payments to acquire public offering shares and warrants |  | $ 700 |  |  |  |  |
Proceeds from collection of note receivable |  | $ 300 |  |  |  |  |
Shares received for repayment of note receivable (shares) |  | 960,000 |  |  |  |  |
Warrants received for repayment of note receivable (shares) |  | 960,000 |  |  |  |  |
Value of shares and warrants received for repayment of note receivable |  | $ 1,200 |  |  |  |  |
Ownership percentage in Viking after public offering and repayment of convertible notes |  | 38.00% |  |  |  |  |
Synthetic Royalties | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Payments to Acquire Intangible Assets | $ 17,500 |  |  |  |  |  |
Royalty Agreement, Expiration Period | 10 years |  |  |  |  |  |
Minimum | Scenario, Forecast | Synthetic Royalties |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Annual royalty revenue |  |  |  |  |  | $ 2,750 |
Mr. Aryeh, Director | CorMatrix | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Equity of CorMatrix beneficially owned by Ligand director |  |  | 0.56% |  |  |  |
Mr. Knott, Director | CorMatrix | Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Equity of CorMatrix beneficially owned by Ligand director |  |  | 0.47% |  |  |  |

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