Unaudited Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)
|
Total |
Common Stock Shares |
Additional Paid-in Capital |
Accumulated Deficit |
Convertible Series A Preferred Stock [Member] |
Convertible Series B Preferred Stock [Member] |
Beginning Balance Shares at Jan. 01, 2018 |
|
12,737,703
|
|
|
1,020,000
|
|
Beginning Balance, amount at Jan. 01, 2018 |
$ 5,794,783
|
$ 12,738
|
$ 93,602,539
|
$ (87,821,514)
|
$ 1,020
|
|
Issuance of Preferred Stock Shares |
|
|
|
|
|
2,666,667
|
Issuance of Preferred Stock, amount |
3,900,001
|
|
3,897,334
|
|
|
$ 2,667
|
Shares issued - registered offerings - net of offering costs, shares |
|
10,693,535
|
|
|
|
|
Shares issued - registered offerings - net of offering costs, amount |
20,722,215
|
$ 10,694
|
20,711,521
|
|
|
|
Cashless exercise of stock warrants, shares |
|
496,644
|
|
|
|
|
Stock-based compensation |
1,273,035
|
|
1,273,035
|
|
|
|
Cashless exercise of stock warrants, amount |
|
496
|
(496)
|
|
|
|
Net loss for the three months ended March 31, 2018 |
(4,721,487)
|
|
|
(4,721,487)
|
|
|
Beginning balance shares at Mar. 31, 2018 |
|
23,927,882
|
|
|
1,020,000
|
2,666,667
|
Beginning Balance, amount at Mar. 31, 2018 |
26,968,547
|
$ 23,928
|
119,483,933
|
(92,543,001)
|
$ 1,020
|
$ 2,667
|
Shares issued - registered offerings - net of offering costs, shares |
|
4,568,993
|
|
|
|
|
Shares issued - registered offerings - net of offering costs, amount |
5,146,501
|
$ 4,569
|
5,141,932
|
|
|
|
Stock-based compensation |
148,710
|
|
148,710
|
|
|
|
Conversion for payment of dividends, 111,260 preferred stock converted to 124,882 Common stock |
|
|
|
|
(111,260)
|
|
Conversion for payment of dividends, 111,260 preferred stock converted to 124,882 Common stock, amount |
|
|
111
|
|
$ (111)
|
|
Net loss for the three months ended March 31, 2018 |
(3,517,013)
|
|
|
(3,517,013)
|
|
|
Shares issued in payment of dividend, shares |
|
124,883
|
|
|
|
|
Shares issued in payment of dividend, amount |
|
$ 125
|
(125)
|
|
|
|
Beginning balance shares at Jun. 30, 2018 |
|
28,621,758
|
|
|
908,740
|
2,666,667
|
Beginning Balance, amount at Jun. 30, 2018 |
28,746,745
|
$ 28,622
|
124,774,561
|
(96,060,014)
|
$ 909
|
$ 2,667
|
Shares issued - registered offerings - net of offering costs, shares |
|
1,767,918
|
|
|
|
|
Shares issued - registered offerings - net of offering costs, amount |
1,731,959
|
$ 1,767
|
1,730,192
|
|
|
|
Stock-based compensation |
529,649
|
|
529,649
|
|
|
|
Conversion 95,116 preferred Shares converted to 110,530 shares of Common Shares, shares |
|
110,530
|
|
|
(95,116)
|
|
Conversion 95,116 preferred Shares converted to 110,530 shares of Common Shares, amount |
|
$ 111
|
(16)
|
|
$ (95)
|
|
Net loss for the three months ended March 31, 2018 |
(4,214,586)
|
|
|
(4,214,586)
|
|
|
Shares issued in payment of dividend, shares |
|
729
|
|
|
|
|
Shares issued in payment of dividend, amount |
|
$ 1
|
|
|
$ (1)
|
|
Beginning balance shares at Sep. 30, 2018 |
|
30,500,935
|
|
|
813,624
|
2,666,667
|
Beginning Balance, amount at Sep. 30, 2018 |
26,793,767
|
$ 30,501
|
127,034,386
|
(100,274,600)
|
$ 813
|
$ 2,667
|
Shares issued - registered offerings - net of offering costs, shares |
|
2,361,155
|
|
|
|
|
Shares issued - registered offerings - net of offering costs, amount |
1,869,139
|
$ 2,362
|
1,866,777
|
|
|
|
Stock-based compensation |
428,511
|
|
428,511
|
|
|
|
Net loss for the three months ended March 31, 2018 |
(3,223,022)
|
|
|
(3,223,022)
|
|
|
Beginning balance shares at Dec. 31, 2018 |
|
32,862,090
|
|
|
813,624
|
2,666,667
|
Beginning Balance, amount at Dec. 31, 2018 |
25,868,395
|
$ 32,863
|
129,329,674
|
(103,497,622)
|
$ 813
|
$ 2,667
|
Shares issued - registered offerings - net of offering costs, shares |
|
3,287,235
|
|
|
|
|
Shares issued - registered offerings - net of offering costs, amount |
1,986,485
|
$ 3,286
|
1,983,199
|
|
|
|
Stock-based compensation |
335,013
|
|
335,013
|
|
|
|
Net loss for the three months ended March 31, 2018 |
(3,110,527)
|
|
|
(3,110,527)
|
|
|
Beginning balance shares at Mar. 31, 2019 |
|
36,149,325
|
|
|
813,624
|
2,666,667
|
Beginning Balance, amount at Mar. 31, 2019 |
25,079,366
|
$ 36,149
|
131,647,886
|
(106,608,149)
|
$ 813
|
$ 2,667
|
Beginning Balance Shares at Dec. 31, 2018 |
|
32,862,090
|
|
|
813,624
|
2,666,667
|
Beginning Balance, amount at Dec. 31, 2018 |
25,868,395
|
$ 32,863
|
129,329,674
|
(103,497,622)
|
$ 813
|
$ 2,667
|
Stock-based compensation |
572,285
|
|
|
|
|
|
Net loss for the three months ended March 31, 2018 |
(6,417,444)
|
|
|
|
|
|
Beginning balance shares at Jun. 30, 2019 |
|
37,605,914
|
|
|
785,877
|
2,666,667
|
Beginning Balance, amount at Jun. 30, 2019 |
22,939,635
|
$ 37,606
|
132,813,643
|
(109,915,066)
|
$ 785
|
$ 2,667
|
Beginning Balance Shares at Mar. 31, 2019 |
|
36,149,325
|
|
|
813,624
|
2,666,667
|
Beginning Balance, amount at Mar. 31, 2019 |
25,079,366
|
$ 36,149
|
131,647,886
|
(106,608,149)
|
$ 813
|
$ 2,667
|
Shares issued - registered offerings - net of offering costs, shares |
|
1,423,206
|
|
|
|
|
Shares issued - registered offerings - net of offering costs, amount |
929,914
|
$ 1,423
|
928,491
|
|
|
|
Stock-based compensation |
237,272
|
|
237,272
|
|
|
|
Conversion 27,747 Preferred Shares converted to 33,383 shares of Common Shares, shares |
|
33,383
|
|
|
(27,747)
|
|
Conversion 27,747 Preferred Shares converted to 33,383 shares of Common Shares, amount |
|
$ 34
|
(6)
|
|
$ (28)
|
|
Net loss for the three months ended March 31, 2018 |
(3,306,917)
|
|
|
(3,306,917)
|
|
|
Beginning balance shares at Jun. 30, 2019 |
|
37,605,914
|
|
|
785,877
|
2,666,667
|
Beginning Balance, amount at Jun. 30, 2019 |
$ 22,939,635
|
$ 37,606
|
$ 132,813,643
|
$ (109,915,066)
|
$ 785
|
$ 2,667
|