Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) | Common Stock | Accumulated Deficit | Total |
Beginning balance, shares at Dec. 31, 2017 | 20,783,032 | | |
Beginning balance, amount at Dec. 31, 2017 | $ 24,322,885 | $ (13,674,794) | $ 10,648,091 |
Effects of new accounting standards | | 142,857 | 142,857 |
Net income (loss) | | 252,420 | 252,420 |
Amortization of value of employee stock options | $ 16,597 | | 16,597 |
Conversion of convertible note to common stock, shares | 800,000 | | |
Conversion of convertible note to common stock, amount | $ 400,000 | | 400,000 |
Ending balance, shares at Sep. 30, 2018 | 21,583,032 | | |
Ending balance, amount at Sep. 30, 2018 | $ 24,739,482 | (13,279,517) | 11,459,965 |
Beginning balance, shares at Jun. 30, 2018 | 21,183,032 | | |
Beginning balance, amount at Jun. 30, 2018 | $ 24,537,043 | (12,717,240) | 11,819,803 |
Net income (loss) | | (562,277) | (562,277) |
Amortization of value of employee stock options | $ 2,439 | | 2,439 |
Conversion of convertible note to common stock, shares | 400,000 | | |
Conversion of convertible note to common stock, amount | $ 200,000 | | 200,000 |
Ending balance, shares at Sep. 30, 2018 | 21,583,032 | | |
Ending balance, amount at Sep. 30, 2018 | $ 24,739,482 | (13,279,517) | 11,459,965 |
Beginning balance, shares at Dec. 31, 2018 | 21,583,032 | | |
Beginning balance, amount at Dec. 31, 2018 | $ 24,739,482 | (16,594,146) | 8,145,336 |
Effects of new accounting standards | | (52,315) | (52,315) |
Net income (loss) | | 1,385,003 | 1,385,003 |
Amortization of value of employee stock options | $ 13,516 | | 13,516 |
Cashless exercise of warrants, shares | 232,381 | | |
Conversion of convertible note to common stock, shares | 200,000 | | |
Conversion of convertible note to common stock, amount | $ 100,000 | | 100,000 |
Ending balance, shares at Sep. 30, 2019 | 22,015,413 | | |
Ending balance, amount at Sep. 30, 2019 | $ 24,852,998 | (15,261,458) | 9,591,540 |
Beginning balance, shares at Jun. 30, 2019 | 21,915,413 | | |
Beginning balance, amount at Jun. 30, 2019 | $ 24,797,569 | (15,729,065) | 9,068,504 |
Net income (loss) | | 467,607 | 467,607 |
Amortization of value of employee stock options | $ 5,429 | | 5,429 |
Conversion of convertible note to common stock, shares | 100,000 | | |
Conversion of convertible note to common stock, amount | $ 50,000 | | 50,000 |
Ending balance, shares at Sep. 30, 2019 | 22,015,413 | | |
Ending balance, amount at Sep. 30, 2019 | $ 24,852,998 | $ (15,261,458) | $ 9,591,540 |