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Stock Options and Restricted Stock Units (Tables) | 12 Months Ended
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Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | The following table summarizes the activity in common shares subject to options:
|  | Year Ended December 31, |
|  | 2016 |  | 2015 |
|  |  |  | Weighted |  |  |  | Weighted |
|  |  |  | average exercise |  |  |  | average exercise |
|  | Shares |  | price |  | Shares |  | price |
Outstanding at beginning of year |  |  | 5,025,000 |  | $ | 14.95 |  |  | 5,030,000 |  | $ | 14.93 |
Granted |  |  | 1,000,000 |  |  | 0.65 |  |  | - |  |  | - |
Exercised |  |  | - |  |  | - |  |  | - |  |  | - |
Forfeited |  |  | 5,010,000 |  |  | 14.95 |  |  | (5,000) |  |  | 2.25 |
Outstanding at end of year |  |  | 1,015,000 |  | $ | 0.03 |  |  | 5,025,000 |  | $ | 14.95 |
Optons exercisable at end of year |  |  | 1,015,000 |  | $ | 0.03 |  |  | 5,025,000 |  | $ | 14.95 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] | Information about stock options outstanding at December 31, 2016 is summarized as follows:
|  | Options and Warrants Outstanding and Exercisable |
|  |  |  |  | Weighted average |  |  |  |  |  |
|  |  |  |  | remaining |  |  | Weighted |  |  |
|  |  |  |  | contractual life |  |  | average |  | Aggregate Intrinsic |
Exercise price |  | Number outstanding |  | (Years) |  |  | exercise price |  | Value |
$ | 2.13 |  |  | 10,000 |  |  | NA | (1) |  | $ | 2.13 |  | $ | - |
$ | 2.25 |  |  | 5,000 |  |  | NA | (1) |  |  | 2.25 |  |  | - |
$ | 0.65 |  |  | 1,000,000 |  |  |  | 2 |  |  | 0.65 |  |  | 590,000 |
|  |  |  | 1,015,000 |  |  |  |  |  |  |  |  | $ | 590,000 |
| (1) | Options currently issued pursuant to the Company’s 2004 Employee Stock Option Plans have no expiration date.
Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] | A summary of the status of our non-vested RSU grants issued under our 2006 Plan is presented below:
|  | Year Ended December 31, |
|  | 2016 |  | 2015 |
|  |  |  | Weighted |  |  |  | Weighted |
|  |  |  | average exercise |  |  |  | average exercise |
|  | Shares |  | price |  | Shares |  | price |
Nonvested at beginning of year |  |  | 4,000 |  | $ | 2.12 |  |  | 87,600 |  | $ | 1.77 |
Granted |  |  | 372,040 |  |  | 0.64 |  |  | - |  |  | - |
Vested |  |  | (124,040) |  |  | 0.83 |  |  | (57,600) |  |  | 1.59 |
Forfeited |  |  | (100,000) |  |  | 1.24 |  |  | (26,000) |  |  | 2.12 |
Outstanding at end of year |  |  | 152,000 |  | $ | 0.56 |  |  | 4,000 |  | $ | 2.12 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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