| 2017 | 2016 | |||||||
| Deferred tax assets (liabilities): | ||||||||
| Net operating loss carry-forward | $ | 915,000 | $ | 1,407,000 | ||||
| Stock based compensation | 279,000 | 239,000 | ||||||
| Other | 11,000 | 11,000 | ||||||
| Deferred tax assets | 1,205,000 | 1,657,000 | ||||||
| Valuation allowance | (279,000 | ) | (800,000 | ) | ||||
| Deferred tax asset, net | $ | 926,000 | $ | 857,000 | ||||
| 2017 | 2016 | |||||||
| Statutory federal income tax rate | 34 | % | 34 | % | ||||
| Change in valuation allowance | (40 | %) | (362 | %) | ||||
| Effective income tax rate | (6 | %) | (328 | %) | ||||