Unaudited Quarterly Financial Information - Summary of the Company's Unaudited Quarterly Results of Operations (Detail) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Quarterly Financial Information Disclosure [Abstract] | ||||||||||
| Revenues | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 |
| Total operating expenses | 1,412,383 | 1,921,520 | 1,396,759 | 1,987,656 | 2,707,908 | 2,026,670 | 1,733,282 | 2,074,645 | 6,718,318 | 8,542,505 |
| Profit (loss) from discontinued operations | 0 | 121 | (121) | 9,386 | 42,566 | 1,420,947 | 11,113 | 1,484,012 | ||
| Net loss | $ (1,460,733) | $ (2,067,230) | $ (1,220,866) | $ (1,982,696) | $ (2,674,797) | $ (1,963,007) | $ (312,615) | $ (2,062,885) | $ (6,731,525) | $ (7,013,304) |
| Loss per share: | ||||||||||
| Basic and diluted net loss per share from continuing operations | $ (0.30) | $ (0.42) | $ (0.25) | $ (0.40) | $ (0.55) | $ (0.41) | $ (0.43) | $ (0.52) | $ (1.37) | $ (1.90) |
| Basic and diluted net profit per share from discontinued operations | $ 0.00 | $ 0.00 | $ 0.00 | $ 0.00 | $ 0.00 | $ 0.01 | $ 0.35 | $ 0.00 | $ 0.33 | |
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- References No definition available.
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| X | ||||||||||
- Definition The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares. No definition available.
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- Definition Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same. No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- References No definition available.
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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