Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Treasury Stock [Member] |
Total |
|---|---|---|---|---|---|
| Balances at Dec. 31, 2017 | $ 128,443 | $ 14,646,406 | $ (11,950,613) | $ (930,211) | $ 1,894,025 |
| Net loss | (33,276) | (33,276) | |||
| Stock option compensation | 6,288 | 6,288 | |||
| Balances at Mar. 31, 2018 | 128,443 | 14,652,694 | (11,983,889) | (930,211) | 1,867,037 |
| Balances at Dec. 31, 2017 | 128,443 | 14,646,406 | (11,950,613) | (930,211) | 1,894,025 |
| Net loss | (39,158) | ||||
| Balances at Jun. 30, 2018 | 128,443 | 14,662,062 | (11,989,771) | (930,211) | 1,870,523 |
| Balances at Mar. 31, 2018 | 128,443 | 14,652,694 | (11,983,889) | (930,211) | 1,867,037 |
| Net loss | (5,882) | (5,882) | |||
| Stock option compensation | 9,368 | 9,368 | |||
| Balances at Jun. 30, 2018 | 128,443 | 14,662,062 | (11,989,771) | (930,211) | 1,870,523 |
| Balances at Dec. 31, 2018 | 128,443 | 14,676,006 | (12,001,647) | (930,211) | 1,872,591 |
| Net loss | (190,853) | (190,853) | |||
| Stock option compensation | 4,454 | 4,454 | |||
| Balances at Mar. 31, 2019 | 128,443 | 14,680,460 | (12,192,500) | (930,211) | 1,686,192 |
| Balances at Dec. 31, 2018 | 128,443 | 14,676,006 | (12,001,647) | (930,211) | 1,872,591 |
| Net loss | (399,455) | ||||
| Balances at Jun. 30, 2019 | 128,543 | 14,681,842 | (12,401,102) | (930,211) | 1,479,072 |
| Balances at Mar. 31, 2019 | 128,443 | 14,680,460 | (12,192,500) | (930,211) | 1,686,192 |
| Net loss | (208,602) | (208,602) | |||
| Stock option compensation | 482 | 482 | |||
| Issuance of stock from exercise of options | 100 | 900 | 1,000 | ||
| Balances at Jun. 30, 2019 | $ 128,543 | $ 14,681,842 | $ (12,401,102) | $ (930,211) | $ 1,479,072 |