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Convertible Notes - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
1 Months Ended | 1 Months Ended | ||||||||||
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Dec. 31, 2013
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May 31, 2013
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Mar. 31, 2013
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Dec. 29, 2011
Taja Convertible Note
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Mar. 19, 2012
Amended Taja Convertible Note
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Mar. 01, 2012
Amended Taja Convertible Note
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Mar. 01, 2012
Amended Taja Convertible Note
Maximum
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Mar. 01, 2012
Amended Taja Convertible Note
Minimum
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Sep. 04, 2013
Second Amended Taja Convertible and Non-Convertible Notes
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Aug. 14, 2013
Second Amended Taja Convertible and Non-Convertible Notes
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Aug. 14, 2013
Inducement Shares
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Aug. 14, 2013
Inducement Warrants
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| Non Cash Convertible Debt Related Expense [Line Items] | ||||||||||||
| Principal amount of note, stripped out | $ 3,000 | |||||||||||
| Principal amount of note | 500 | |||||||||||
| Accrued interest | 562 | |||||||||||
| Total amount of debt | 1,062 | |||||||||||
| Issuance of warrants related to convertible debt | 400,000 | 80,000 | 120,000 | |||||||||
| Warrant, exercise price per share | 3.50 | 1.25 | ||||||||||
| Percentage of warrant coverage | 25.00% | |||||||||||
| Warrant Term | 5 years | 5 years | ||||||||||
| Warrant vesting period from issue date | 1 year | 1 year | ||||||||||
| Conversion price | $ 3.50 | $ 4.00 | ||||||||||
| Conversion of the note, ownership percentage by holder | 4.90% | |||||||||||
| Net proceeds | 10,000 | |||||||||||
| Shares of common stock issued up on conversion | 520,000 | 285,714 | ||||||||||
| Convertible note, amount converted | 1,820 | 1,000 | ||||||||||
| Excess face value charge as interest expense | 235 | |||||||||||
| Discount on Notes | 762 | 159 | 72 | |||||||||
| Repayment of remaining principal and interest | $ 1,542 | |||||||||||
| X | ||||||||||
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- Definition
Common Stock Warrants, Term No definition available.
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| X | ||||||||||
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- Definition
Debt Coverage Ratio No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Percentage Of Ownership Interests No definition available.
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| X | ||||||||||
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- Definition
Stock Warrant Vesting Period No definition available.
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| X | ||||||||||
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- Definition
The exercise price of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Interest expense related to convertible debt instruments which has been recognized for the period, including the contractual interest coupon and amortization of the debt discount, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Decrease for amounts of indebtedness forgiven by the holder of the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. No definition available.
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