| Year NOL expires: | Amount | |||
| 2026 | $ | 18,000 | ||
| 2027 | 149,000 | |||
| 2028 | 669,000 | |||
| 2029 | 928,000 | |||
| 2030 | 28,000 | |||
| 2032 | 51,000 | |||
| 2033 | 52,000 | |||
| 2034 | 18,000 | |||
| 2035 | 18,000 | |||
| 2036 | 78,000 | |||
| $ | 2,009,000 | |||
| At December 31, | ||||||||
| 2016 | 2015 | |||||||
| Start-up costs | $ | 1,025,000 | $ | 975,000 | ||||
| Net operating loss carryforward | 829,000 | 799,000 | ||||||
| Accrual to cash conversion | 1,888,000 | 1,687,000 | ||||||
| Share-based compensation related to stock options | 312,000 | 312,000 | ||||||
| Other | 6,000 | 6,000 | ||||||
| Total | 4,060,000 | 3,779,000 | ||||||
| Valuation allowance | (4,060,000 | ) | (3,779,000 | ) | ||||
| Net deferred tax asset | $ | - | $ | - | ||||