Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)
|
Convertible Preferred Stock - Series A [Member] |
Convertible Preferred Stock - Series C [Member] |
Convertible Preferred Stock - Series D [Member] |
Common Stock [Member] |
Additional Paid-In Capital [Member] |
Accumulated Other Comprehensive Income [Member] |
Accumulated Deficit [Member] |
Total |
Balance at Dec. 31, 2017 |
|
$ 11,000
|
$ 230
|
|
$ 5,524
|
$ 119,499,141
|
|
$ (156,435,278)
|
$ (36,919,383)
|
Balance, shares at Dec. 31, 2017 |
|
11,000,000
|
229,551
|
|
5,523,673
|
|
|
|
|
Common stock and warrants issued in public offering |
[1] |
|
|
|
$ 4,353
|
14,876,462
|
|
|
14,880,815
|
Common stock and warrants issued in public offering, shares |
[1] |
|
|
|
4,353,000
|
|
|
|
|
Common stock issued upon conversion of Series A convertible preferred stock |
|
$ (11,000)
|
|
|
$ 550
|
10,450
|
|
|
|
Common stock issued upon conversion of Series A convertible preferred stock, shares |
|
(11,000,000)
|
|
|
550,000
|
|
|
|
|
Common stock issued in satisfaction of Series B convertible preferred stock |
|
|
|
|
$ 223
|
824,777
|
|
|
825,000
|
Common stock issued in satisfaction of Series B convertible preferred stock, shares |
|
|
|
|
223,235
|
|
|
|
|
Common stock issued upon conversion of Series C convertible preferred stock |
|
|
$ (255)
|
|
$ 9,112
|
(8,857)
|
|
|
|
Common stock issued upon conversion of Series C convertible preferred stock, shares |
|
|
(254,557)
|
|
9,111,644
|
|
|
|
|
Series D convertible preferred stock issued in satisfaction of liabilities |
|
|
|
$ 12
|
|
12,004,988
|
|
|
12,005,000
|
Series D convertible preferred stock issued in satisfaction of liabilities, shares |
|
|
|
12,005
|
|
|
|
|
|
Common stock issued in partial satisfaction of debt and other liabilities |
|
|
|
|
$ 1,488
|
4,282,500
|
|
|
4,283,988
|
Common stock issued in partial satisfaction of debt and other liabilities, shares |
|
|
|
|
1,488,021
|
|
|
|
|
Warrants reclassified from derivative liabilities |
|
|
|
|
|
36,445
|
|
|
36,445
|
Series C convertible preferred stock dividends: Accrual of dividends earned |
|
|
|
|
|
(607,800)
|
|
|
(607,800)
|
Series C convertible preferred stock dividends: Payment of dividends in kind |
|
|
$ 25
|
|
|
2,500,575
|
|
|
2,500,600
|
Series C convertible preferred stock dividends: Payment of dividends in kind, shares |
|
|
25,006
|
|
|
|
|
|
|
Stock-based compensation |
|
|
|
|
$ 932
|
2,664,343
|
|
|
2,665,275
|
Stock-based compensation, shares |
|
|
|
|
932,328
|
|
|
|
|
Beneficial conversion feature of Series B and C convertible preferred stock |
|
|
|
|
|
23,458,931
|
|
|
23,458,931
|
Deemed dividend related to immediate accretion of beneficial conversion of Series B and C convertible preferred stock |
|
|
|
|
|
(23,458,931)
|
|
|
(23,458,931)
|
Contribution of capital - related party share transfer (see Note 8) |
|
|
|
|
|
785,200
|
|
|
785,200
|
Net income (loss) |
|
|
|
|
|
|
|
2,204,088
|
2,204,088
|
Balance at Mar. 31, 2018 |
|
|
|
$ 12
|
$ 22,182
|
156,868,224
|
|
(154,231,190)
|
2,659,228
|
Balance, shares at Mar. 31, 2018 |
|
|
|
12,005
|
22,181,901
|
|
|
|
|
Balance at Dec. 31, 2017 |
|
$ 11,000
|
$ 230
|
|
$ 5,524
|
119,499,141
|
|
(156,435,278)
|
(36,919,383)
|
Balance, shares at Dec. 31, 2017 |
|
11,000,000
|
229,551
|
|
5,523,673
|
|
|
|
|
Series D convertible preferred stock issued in satisfaction of liabilities |
|
|
|
|
|
|
|
|
12,005,000
|
Warrants reclassified from derivative liabilities |
|
|
|
|
|
|
|
|
36,445
|
Warrants issued in satisfaction of accrued issuable equity |
|
|
|
|
|
|
|
|
409,042
|
Restricted stock issued in satisfaction of accrued issuable equity |
|
|
|
|
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
|
|
(1,164,630)
|
Balance at Sep. 30, 2018 |
|
|
|
$ 5
|
$ 25,564
|
175,021,206
|
|
(157,599,908)
|
17,446,867
|
Balance, shares at Sep. 30, 2018 |
|
|
|
5,453
|
25,564,103
|
|
|
|
|
Balance at Mar. 31, 2018 |
|
|
|
$ 12
|
$ 22,182
|
156,868,224
|
|
(154,231,190)
|
2,659,228
|
Balance, shares at Mar. 31, 2018 |
|
|
|
12,005
|
22,181,901
|
|
|
|
|
Common stock issued in partial satisfaction of debt and other liabilities |
|
|
|
|
$ 25
|
69,975
|
|
|
70,000
|
Common stock issued in partial satisfaction of debt and other liabilities, shares |
|
|
|
|
25,669
|
|
|
|
|
Proceeds from exercise of warrants |
|
|
|
|
$ 4,034
|
17,139,022
|
|
|
17,143,056
|
Proceeds from exercise of warrants, shares |
|
|
|
|
4,033,660
|
|
|
|
|
Return and retirement of common stock |
|
|
|
|
$ (2,942)
|
2,942
|
|
|
|
Return and retirement of common stock, shares |
|
|
|
|
(2,942,099)
|
|
|
|
|
Warrants issued in satisfaction of accrued issuable equity |
|
|
|
|
|
409,042
|
|
|
409,042
|
Common stock issued upon conversion of Series D convertible preferred stock |
|
|
|
$ (4)
|
$ 1,400
|
(1,396)
|
|
|
|
Common stock issued upon conversion of Series D convertible preferred stock, shares |
|
|
|
(4,368)
|
1,400,000
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
|
(1,232,785)
|
(1,232,785)
|
Balance at Jun. 30, 2018 |
|
|
|
$ 8
|
$ 24,699
|
174,487,809
|
|
(155,463,975)
|
19,048,541
|
Balance, shares at Jun. 30, 2018 |
|
|
|
7,637
|
24,699,131
|
|
|
|
|
Stock-based compensation |
|
|
|
|
$ 189
|
601,128
|
|
|
601,317
|
Stock-based compensation, shares |
|
|
|
|
188,501
|
|
|
|
|
Common stock issued upon conversion of Series D convertible preferred stock |
|
|
|
$ (3)
|
$ 700
|
(697)
|
|
|
|
Common stock issued upon conversion of Series D convertible preferred stock, shares |
|
|
|
(2,184)
|
700,000
|
|
|
|
|
Return and retirement of common stock previously held as collateral |
|
|
|
|
$ (24)
|
(67,034)
|
|
|
(67,058)
|
Return and retirement of common stock previously held as collateral, shares |
|
|
|
|
(23,529)
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
|
(2,135,933)
|
(2,148,631)
|
Balance at Sep. 30, 2018 |
|
|
|
$ 5
|
$ 25,564
|
175,021,206
|
|
(157,599,908)
|
17,446,867
|
Balance, shares at Sep. 30, 2018 |
|
|
|
5,453
|
25,564,103
|
|
|
|
|
Balance at Dec. 31, 2018 |
|
|
|
$ 5
|
$ 26,118
|
175,924,587
|
|
(159,856,481)
|
16,094,229
|
Balance, shares at Dec. 31, 2018 |
|
|
|
5,141
|
26,118,075
|
|
|
|
|
Stock-based compensation |
|
|
|
|
$ 52
|
118,684
|
|
|
118,736
|
Stock-based compensation, shares |
|
|
|
|
51,724
|
|
|
|
|
Return and retirement of common stock |
|
|
|
|
$ (8)
|
8
|
|
|
|
Return and retirement of common stock, shares |
|
|
|
|
(8,066)
|
|
|
|
|
Common stock issued upon conversion of Series D convertible preferred stock |
|
|
|
|
$ 5
|
(5)
|
|
|
|
Common stock issued upon conversion of Series D convertible preferred stock, shares |
|
|
|
(16)
|
5,128
|
|
|
|
|
Restricted stock issued in satisfaction of accrued issuable equity |
|
|
|
|
$ 57
|
199,831
|
|
|
199,888
|
Restricted stock issued in satisfaction of accrued issuable equity, shares |
|
|
|
|
56,948
|
|
|
|
|
Other comprehensive income |
|
|
|
|
|
|
100,686
|
|
100,686
|
Net income (loss) |
|
|
|
|
|
|
|
(1,893,627)
|
(1,893,627)
|
Balance at Mar. 31, 2019 |
|
|
|
$ 5
|
$ 26,224
|
176,243,105
|
100,686
|
(161,750,108)
|
14,619,912
|
Balance, shares at Mar. 31, 2019 |
|
|
|
5,125
|
26,223,809
|
|
|
|
|
Balance at Dec. 31, 2018 |
|
|
|
$ 5
|
$ 26,118
|
175,924,587
|
|
(159,856,481)
|
16,094,229
|
Balance, shares at Dec. 31, 2018 |
|
|
|
5,141
|
26,118,075
|
|
|
|
|
Series D convertible preferred stock issued in satisfaction of liabilities |
|
|
|
|
|
|
|
|
|
Warrants reclassified from derivative liabilities |
|
|
|
|
|
|
|
|
|
Warrants issued in satisfaction of accrued issuable equity |
|
|
|
|
|
|
|
|
|
Restricted stock issued in satisfaction of accrued issuable equity |
|
|
|
|
|
|
|
|
252,358
|
Net income (loss) |
|
|
|
|
|
|
|
|
(6,753,836)
|
Balance at Sep. 30, 2019 |
|
|
|
$ 5
|
$ 26,261
|
176,540,422
|
108,169
|
(166,610,317)
|
10,064,540
|
Balance, shares at Sep. 30, 2019 |
|
|
|
5,125
|
26,261,434
|
|
|
|
|
Balance at Mar. 31, 2019 |
|
|
|
$ 5
|
$ 26,224
|
176,243,105
|
100,686
|
(161,750,108)
|
14,619,912
|
Balance, shares at Mar. 31, 2019 |
|
|
|
5,125
|
26,223,809
|
|
|
|
|
Stock-based compensation |
|
|
|
|
|
185,632
|
|
|
185,632
|
Stock-based compensation, shares |
|
|
|
|
|
|
|
|
|
Restricted stock issued in satisfaction of accrued issuable equity |
|
|
|
|
$ 13
|
40,142
|
|
|
40,155
|
Restricted stock issued in satisfaction of accrued issuable equity, shares |
|
|
|
|
12,995
|
|
|
|
|
Other comprehensive income |
|
|
|
|
|
|
40,321
|
|
40,321
|
Net income (loss) |
|
|
|
|
|
|
|
(2,237,220)
|
(2,237,220)
|
Balance at Jun. 30, 2019 |
|
|
|
$ 5
|
$ 26,237
|
176,468,879
|
141,007
|
(163,987,328)
|
12,648,800
|
Balance, shares at Jun. 30, 2019 |
|
|
|
5,125
|
26,236,804
|
|
|
|
|
Stock-based compensation |
|
|
|
|
$ 20
|
59,232
|
|
|
59,252
|
Stock-based compensation, shares |
|
|
|
|
20,000
|
|
|
|
|
Restricted stock issued in satisfaction of accrued issuable equity |
|
|
|
|
$ 4
|
12,311
|
|
|
12,315
|
Restricted stock issued in satisfaction of accrued issuable equity, shares |
|
|
|
|
4,630
|
|
|
|
|
Net income (loss) |
|
|
|
|
|
|
(32,838)
|
(2,622,989)
|
(2,622,989)
|
Balance at Sep. 30, 2019 |
|
|
|
$ 5
|
$ 26,261
|
$ 176,540,422
|
$ 108,169
|
$ (166,610,317)
|
$ 10,064,540
|
Balance, shares at Sep. 30, 2019 |
|
|
|
5,125
|
26,261,434
|
|
|
|
|
|
|