Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands |
Common Stock Shares Outstanding, Net of Shares of Treasury Stock [Member] |
Additional Paid-In Capital [Member] |
Retained Earnings [Member] |
Accumulated Comprehensive Loss [Member] |
Treasury Stock [Member] |
Total |
|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2017 | $ 14 | $ 58,034 | $ 20,902 | $ (78) | $ (47,025) | $ 31,847 |
| Balance, shares at Dec. 31, 2017 | 11,129,892 | |||||
| Net income | 43 | 43 | ||||
| Unrealized loss on marketable securities | (43) | (43) | ||||
| Share-based compensation | 31 | 31 | ||||
| Balance at Mar. 31, 2018 | $ 14 | $ 58,065 | $ 20,945 | $ (121) | $ (47,025) | $ 31,878 |
| Balance, shares at Mar. 31, 2018 | 11,129,892 |
| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The aggregate net change in the difference between the fair value and the carrying value, or in the comparative fair values, of marketable securities categorized as trading held at each balance sheet date, that was included in earnings for the period, which may have arisen from (a) securities classified as trading, (b) the unrealized holding gain (loss) on held-to-maturity securities transferred to the trading security category, and (c) the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) on available-for-sale securities transferred to trading securities during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
|
| X | ||||||||||
- 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://www.xbrl.org/2003/role/presentationRef
|