Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands |
Additional Paid-in Capital [Member] |
AOCI Attributable to Parent [Member] |
Retained Earnings [Member] |
Total |
|---|---|---|---|---|
| Balance at Dec. 31, 2017 | $ 41,033 | $ (40,234) | ||
| Issuance of common stock and warrants, net offering costs of $529 | 5,840 | |||
| Exercise of common stock purchase warrants | 606 | |||
| Share-based compensation | 153 | |||
| Balance at Mar. 31, 2018 | 47,632 | (40,884) | $ 6,748 | |
| Unrealized gain on marketable securities | ||||
| Net loss | (650) | (650) | ||
| Balance at Dec. 31, 2018 | 62,993 | (45,968) | 17,025 | |
| Issuance of common stock and warrants, net offering costs of $529 | ||||
| Exercise of common stock purchase warrants | ||||
| Share-based compensation | 130 | |||
| Balance at Mar. 31, 2019 | $ 63,123 | 3 | (49,220) | 13,906 |
| Unrealized gain on marketable securities | $ 3 | 3 | ||
| Net loss | $ (3,252) | $ (3,252) |
| X | ||||||||||
- Definition Amount of increase in additional paid in capital (APIC) resulting from the exercise of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. No definition available.
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- Definition Value of common stock and warrants for issued. 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/disclosureRef
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- Definition Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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