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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of prepaid expenses and other current assets |
Description |  | Balance at Beginning of Year |  |  | Charges to Loss on Sale of Subsidiary |  |  | Deductions |  |  | Balance at end of year |
Valuation reserve deducted from Prepaid Expenses and Other Current Assets: |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2018 |  | $ | - |  |  | $ | 1,770,000 |  |  | $ | - |  |  | $ | 1,770,000 |
Year ended December 31, 2017 |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Schedule of credit and concentration risks |
Customer |  | Percentage of Sales |
|  | 2018 |  |  | 2017 |
1 |  |  | 30.7 |  |  |  | 20.5 |
2 |  |  | 27.4 |  |  |  | 25.5 |
3 |  |  | 11.9 |  |  |  | * |
4 |  |  | * |  |  |  | 16.0 |
* | Customer was less than 10% of sales at December 31, 2018 and 2017, respectively.
Customer |  | Percentage of Receivables |
|  | December |  |  | December |
|  | 2018 |  |  | 2017 |
1 |  |  | 38.3 |  |  |  | 41.9 |
2 |  |  | 26.2 |  |  |  | 14.6 |
3 |  |  | * |  |  |  | 12.2 |
| * | Customer was less than 10% of gross accounts receivable at December 31, 2018.
Schedule of earnings per share |
|  | 2018 |  |  | 2017 |
Weighted average shares outstanding used to compute basic earnings per share |  |  | 26,897,639 |  |  |  | 13,230,775 |
Effect of dilutive stock options and warrants |  |  | 3,313 |  |  |  | - |
Weighted average shares outstanding and dilutive securities used to compute dilutive earnings per share |  |  | 26,900,952 |  |  |  | 13,230,775 |
Schedule of anti-dilutive securities |
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
Stock Options |  |  | 568,000 |  |  |  | 354,000 |
Warrants |  |  | 1,960,000 |  |  |  | 1,480,000 |
|  |  | 2,528,000 |  |  |  | 1,834,000 |
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
Stock Options |  |  | 3,000 |  |  |  | 146,000 |
Warrants |  |  | 7,000 |  |  |  | 41,000 |
|  |  | 10,000 |  |  |  | 187,000

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