Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands |
Preferred Stock [Member]
Series B Convertible Preferred Stock [Member]
|
Preferred Stock [Member]
Series C Convertible Preferred Stock [Member]
|
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Total |
Beginning balance, value at Dec. 31, 2019 |
|
|
$ 24
|
$ 239,256
|
$ (234,078)
|
$ 5,202
|
Beginning balance, shares at Dec. 31, 2019 |
249
|
|
2,434,009
|
|
|
|
Extinguishment of derivative liability upon exercise of warrant |
|
|
|
1,557
|
|
1,557
|
Issuance of common stock upon exercise of warrants for cash |
|
|
|
|
|
|
Issuance of common stock from the exercise of warrants for cash, shares |
|
|
100
|
|
|
|
Issuance of common stock from the cashless exercise of warrants |
|
|
$ 32
|
(32)
|
|
|
Issuance of common stock from the cashless exercise of warrants, shares |
|
|
3,128,895
|
|
|
|
Preferred stock issued for cash, net of fees |
|
|
|
3,112
|
|
3,112
|
Preferred stock issued for cash, shares |
|
9,440
|
|
|
|
|
Common stock issued on conversion of preferred stock |
|
|
$ 62
|
(62)
|
|
|
Common stock issued on conversion of preferred stock, shares |
|
(9,208)
|
6,215,742
|
|
|
|
Issuance of agent warrants |
|
|
|
168
|
|
168
|
Beneficial conversion feature on issuance of convertible preferred stock |
|
|
|
3,111
|
|
3,111
|
Deemed dividend related to the issuance of preferred stock |
|
|
|
(3,111)
|
|
(3,111)
|
Accretion of convertible preferred stock discount |
|
|
|
6,173
|
|
6,173
|
Deemed dividend related to the conversion of preferred stock |
|
|
|
(6,173)
|
|
(6,173)
|
Net income (loss) |
|
|
|
|
1,169
|
1,169
|
Ending balance, value at Mar. 31, 2020 |
|
|
$ 118
|
243,999
|
(232,909)
|
11,208
|
Ending balance, shares at Mar. 31, 2020 |
249
|
232
|
11,778,746
|
|
|
|
Beginning balance, value at Dec. 31, 2019 |
|
|
$ 24
|
239,256
|
(234,078)
|
5,202
|
Beginning balance, shares at Dec. 31, 2019 |
249
|
|
2,434,009
|
|
|
|
Net income (loss) |
|
|
|
|
|
(5,297)
|
Ending balance, value at Sep. 30, 2020 |
|
|
$ 246
|
266,665
|
(239,375)
|
27,536
|
Ending balance, shares at Sep. 30, 2020 |
26
|
51
|
24,551,059
|
|
|
|
Beginning balance, value at Mar. 31, 2020 |
|
|
$ 118
|
243,999
|
(232,909)
|
11,208
|
Beginning balance, shares at Mar. 31, 2020 |
249
|
232
|
11,778,746
|
|
|
|
Extinguishment of derivative liability upon exercise of warrant |
|
|
|
1,451
|
|
1,451
|
Common stock issued for cash, net of fees |
|
|
$ 65
|
9,583
|
|
9,648
|
Common stock issued for cash, net of fees, shares |
|
|
6,454,381
|
|
|
|
Issuance of common stock upon exercise of warrants for cash |
|
|
$ 6
|
911
|
|
917
|
Issuance of common stock from the exercise of warrants for cash, shares |
|
|
611,868
|
|
|
|
Issuance of common stock from the cashless exercise of warrants |
|
|
$ 3
|
(3)
|
|
|
Issuance of common stock from the cashless exercise of warrants, shares |
|
|
373,750
|
|
|
|
Common stock issued on conversion of preferred stock |
|
|
$ 2
|
(2)
|
|
|
Common stock issued on conversion of preferred stock, shares |
(123)
|
(179)
|
212,168
|
|
|
|
Accretion of convertible preferred stock discount |
|
|
|
207
|
|
207
|
Deemed dividend related to the conversion of preferred stock |
|
|
|
(207)
|
|
(207)
|
Net income (loss) |
|
|
|
|
(4,028)
|
(4,028)
|
Ending balance, value at Jun. 30, 2020 |
|
|
$ 194
|
255,939
|
(236,937)
|
19,196
|
Ending balance, shares at Jun. 30, 2020 |
126
|
53
|
19,430,913
|
|
|
|
Stock based compensation |
|
|
|
29
|
|
29
|
Extinguishment of derivative liability upon exercise of warrant |
|
|
|
190
|
|
190
|
Common stock issued for cash, net of fees |
|
|
$ 50
|
10,318
|
|
10,368
|
Common stock issued for cash, net of fees, shares |
|
|
4,915,000
|
|
|
|
Issuance of common stock upon exercise of warrants for cash |
|
|
$ 1
|
190
|
|
191
|
Issuance of common stock from the exercise of warrants for cash, shares |
|
|
127,650
|
|
|
|
Issuance of common stock from the cashless exercise of warrants |
|
|
|
|
|
|
Issuance of common stock from the cashless exercise of warrants, shares |
|
|
1,890
|
|
|
|
Common stock issued on conversion of preferred stock |
|
|
$ 1
|
(1)
|
|
|
Common stock issued on conversion of preferred stock, shares |
(100)
|
(2)
|
75,606
|
|
|
|
Accretion of convertible preferred stock discount |
|
|
|
74
|
|
74
|
Deemed dividend related to the conversion of preferred stock |
|
|
|
(74)
|
|
(74)
|
Net income (loss) |
|
|
|
|
(2,438)
|
(2,438)
|
Ending balance, value at Sep. 30, 2020 |
|
|
$ 246
|
266,665
|
(239,375)
|
27,536
|
Ending balance, shares at Sep. 30, 2020 |
26
|
51
|
24,551,059
|
|
|
|
Beginning balance, value at Dec. 31, 2020 |
|
|
$ 245
|
266,666
|
(241,107)
|
25,804
|
Beginning balance, shares at Dec. 31, 2020 |
26
|
51
|
24,552,409
|
|
|
|
Stock based compensation |
|
|
|
36
|
|
36
|
Extinguishment of derivative liability upon exercise of warrant |
|
|
|
195
|
|
195
|
Issuance of common stock upon exercise of warrants for cash |
|
|
$ 2
|
194
|
|
196
|
Issuance of common stock from the exercise of warrants for cash, shares |
|
|
130,275
|
|
|
|
Issuance of common stock from the cashless exercise of warrants |
|
|
|
|
|
|
Issuance of common stock from the cashless exercise of warrants, shares |
|
|
1,890
|
|
|
|
Net income (loss) |
|
|
|
|
(2,633)
|
(2,633)
|
Ending balance, value at Mar. 31, 2021 |
|
|
$ 247
|
267,091
|
(243,740)
|
23,598
|
Ending balance, shares at Mar. 31, 2021 |
26
|
51
|
24,684,574
|
|
|
|
Beginning balance, value at Dec. 31, 2020 |
|
|
$ 245
|
266,666
|
(241,107)
|
25,804
|
Beginning balance, shares at Dec. 31, 2020 |
26
|
51
|
24,552,409
|
|
|
|
Net income (loss) |
|
|
|
|
|
(7,175)
|
Ending balance, value at Sep. 30, 2021 |
|
|
$ 247
|
267,275
|
(248,282)
|
19,240
|
Ending balance, shares at Sep. 30, 2021 |
26
|
51
|
24,706,074
|
|
|
|
Beginning balance, value at Mar. 31, 2021 |
|
|
$ 247
|
267,091
|
(243,740)
|
23,598
|
Beginning balance, shares at Mar. 31, 2021 |
26
|
51
|
24,684,574
|
|
|
|
Stock based compensation |
|
|
|
80
|
|
80
|
Stock based compensation, shares |
|
|
15,500
|
|
|
|
Net income (loss) |
|
|
|
|
(2,199)
|
(2,199)
|
Ending balance, value at Jun. 30, 2021 |
|
|
$ 247
|
267,171
|
(245,939)
|
21,479
|
Ending balance, shares at Jun. 30, 2021 |
26
|
51
|
24,700,074
|
|
|
|
Stock based compensation |
|
|
|
104
|
|
104
|
Stock based compensation, shares |
|
|
6,000
|
|
|
|
Net income (loss) |
|
|
|
|
(2,343)
|
(2,343)
|
Ending balance, value at Sep. 30, 2021 |
|
|
$ 247
|
$ 267,275
|
$ (248,282)
|
$ 19,240
|
Ending balance, shares at Sep. 30, 2021 |
26
|
51
|
24,706,074
|
|
|
|