Condensed Consolidated Statement of Changes in Stockholder Deficit - USD ($)
|
Common Stock [Member] |
Additional Paid-In-Capital [Member] |
Deferred Compensation [Member] |
Accumulated Deficit [Member] |
Total |
Balance at Dec. 31, 2016 |
$ 85,069
|
$ 51,963,269
|
|
$ (55,933,862)
|
$ (3,885,524)
|
Balance, shares at Dec. 31, 2016 |
85,068,709
|
|
|
|
|
Common stock grants to independent directors |
$ 793
|
149,207
|
|
|
150,000
|
Common stock grants to independent directors, shares |
793,025
|
|
|
|
|
Common stock issuance to institutional investor |
$ 568
|
59,432
|
|
|
60,000
|
Common stock issuance to institutional investor, shares |
567,644
|
|
|
|
|
Restricted stock issuances |
$ 34,108
|
4,044,327
|
|
|
4,078,435
|
Restricted stock issuances, shares |
34,107,883
|
|
|
|
|
Restricted stock issuance to a broker for fees |
$ 559
|
44,141
|
|
|
44,700
|
Restricted stock issuance to a broker for fees, shares |
558,750
|
|
|
|
|
Stock option exercises - cashless |
$ 645
|
(645)
|
|
|
|
Stock option exercises - cashless, shares |
645,288
|
|
|
|
770,000
|
Warrant exercise |
$ 733
|
39,267
|
|
|
$ 40,000
|
Warrant exercise, shares |
733,217
|
|
|
|
|
Deferred compensation |
$ 200
|
40,300
|
(10,125)
|
|
30,375
|
Deferred compensation, shares |
200,000
|
|
|
|
|
Stock based compensation - options |
|
61,771
|
|
|
61,771
|
Net loss |
|
|
|
(1,985,234)
|
(1,985,234)
|
Balance at Dec. 31, 2017 |
$ 122,675
|
56,401,069
|
(10,125)
|
(57,919,096)
|
(1,405,477)
|
Balance, shares at Dec. 31, 2017 |
122,674,516
|
|
|
|
|
Common stock grants to independent directors |
$ 469
|
112,031
|
|
|
112,500
|
Common stock grants to independent directors, shares |
469,274
|
|
|
|
|
Stock option exercises - cashless |
$ 157
|
(157)
|
|
|
|
Stock option exercises - cashless, shares |
156,997
|
|
|
|
|
Deferred compensation |
|
|
10,125
|
|
10,125
|
Deferred compensation, shares |
|
|
|
|
|
Stock based compensation - options |
|
140,062
|
|
|
140,062
|
Net loss |
|
|
|
(2,147,985)
|
(2,147,985)
|
Balance at Jun. 30, 2018 |
$ 123,301
|
56,653,005
|
|
(60,067,081)
|
(3,290,775)
|
Balance, shares at Jun. 30, 2018 |
123,300,787
|
|
|
|
|
Balance at Dec. 31, 2017 |
$ 122,675
|
56,401,069
|
(10,125)
|
(57,919,096)
|
(1,405,477)
|
Balance, shares at Dec. 31, 2017 |
122,674,516
|
|
|
|
|
Common stock grants to independent directors |
$ 1,345
|
286,155
|
|
|
287,500
|
Common stock grants to independent directors, shares |
1,344,274
|
|
|
|
|
Stock option exercises - cashless |
$ 157
|
(157)
|
|
|
|
Stock option exercises - cashless, shares |
156,997
|
|
|
|
200,000
|
Deferred compensation |
|
|
10,125
|
|
$ 10,125
|
Stock based compensation - options |
|
330,146
|
|
|
330,146
|
Warrant Exchange Offering, net |
$ 9,600
|
1,234,437
|
|
|
1,244,037
|
Warrant Exchange Offering, net, shares |
9,600,286
|
|
|
|
|
Common stock grant to service providers |
$ 112
|
22,388
|
|
|
22,500
|
Common stock grant to service providers, shares |
112,500
|
|
|
|
|
Net loss |
|
|
|
(4,024,222)
|
(4,024,222)
|
Balance at Dec. 31, 2018 |
$ 133,889
|
58,274,038
|
|
(61,943,318)
|
(3,535,391)
|
Balance, shares at Dec. 31, 2018 |
133,888,573
|
|
|
|
|
Balance at Mar. 31, 2018 |
$ 122,860
|
56,520,383
|
|
(58,966,959)
|
(2,323,716)
|
Balance, shares at Mar. 31, 2018 |
122,859,700
|
|
|
|
|
Common stock grants to independent directors |
$ 284
|
62,216
|
|
|
62,500
|
Common stock grants to independent directors, shares |
284,090
|
|
|
|
|
Stock option exercises - cashless |
$ 157
|
(157)
|
|
|
|
Stock option exercises - cashless, shares |
156,997
|
|
|
|
|
Deferred compensation |
|
|
|
|
|
Deferred compensation, shares |
|
|
|
|
|
Stock based compensation - options |
|
70,563
|
|
|
70,563
|
Net loss |
|
|
|
(1,100,122)
|
(1,100,122)
|
Balance at Jun. 30, 2018 |
$ 123,301
|
56,653,005
|
|
(60,067,081)
|
(3,290,775)
|
Balance, shares at Jun. 30, 2018 |
123,300,787
|
|
|
|
|
Balance at Dec. 31, 2018 |
$ 133,889
|
58,274,038
|
|
(61,943,318)
|
(3,535,391)
|
Balance, shares at Dec. 31, 2018 |
133,888,573
|
|
|
|
|
Common stock grants to independent directors |
$ 1,044
|
173,956
|
|
|
175,000
|
Common stock grants to independent directors, shares |
1,043,858
|
|
|
|
|
Restricted stock issuances |
$ 1,633
|
243,367
|
|
|
245,000
|
Restricted stock issuances, shares |
1,633,330
|
|
|
|
|
Stock based compensation - options |
|
173,000
|
|
|
173,000
|
Common stock grant to service providers |
$ 75
|
10,987
|
|
|
11,062
|
Common stock grant to service providers, shares |
75,000
|
|
|
|
|
Issuance of warrants attached to a convertible note |
|
33,300
|
|
|
33,300
|
Net loss |
|
|
|
(2,217,114)
|
(2,217,114)
|
Balance at Jun. 30, 2019 |
$ 136,641
|
58,908,648
|
|
(64,160,432)
|
(5,115,143)
|
Balance, shares at Jun. 30, 2019 |
136,640,761
|
|
|
|
|
Balance at Mar. 31, 2019 |
$ 134,687
|
58,498,615
|
|
(61,943,318)
|
(3,310,016)
|
Balance, shares at Mar. 31, 2019 |
134,686,596
|
|
|
|
|
Common stock grants to independent directors |
$ 583
|
86,917
|
|
|
87,500
|
Common stock grants to independent directors, shares |
583,333
|
|
|
|
|
Restricted stock issuances |
$ 1,333
|
198,667
|
|
|
200,000
|
Restricted stock issuances, shares |
1,333,332
|
|
|
|
|
Stock based compensation - options |
|
86,500
|
|
|
86,500
|
Common stock grant to service providers |
$ 38
|
4,649
|
|
|
4,687
|
Common stock grant to service providers, shares |
37,500
|
|
|
|
|
Issuance of warrants attached to a convertible note |
|
33,300
|
|
|
33,300
|
Net loss |
|
|
|
(2,217,114)
|
(1,081,694)
|
Balance at Jun. 30, 2019 |
$ 136,641
|
$ 58,908,648
|
|
$ (64,160,432)
|
$ (5,115,143)
|
Balance, shares at Jun. 30, 2019 |
136,640,761
|
|
|
|
|