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Condensed Consolidated Statement of Changes in Stockholders' Equity (Deficit) - USD ($) shares in Thousands, $ in Thousands | Total | Adjustment to Opening Retained Earnings Related to Adoption ASC Topic 842 | Preferred Stock Series D | Preferred Stock Series C | Common Stock | Treasury Stock Amount | Additional Paid-In Capital | Accumulated Deficit | Accumulated Deficit Adjustment to Opening Retained Earnings Related to Adoption ASC Topic 842
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, beginning of period at Jun. 30, 2019 | $ 2,708 | $ 230 |  |  | $ 190,571 | $ (4,129) | $ 7,964 | $ (191,698) | $ 230
Balance (in shares) at Jun. 30, 2019 |  |  | 281 | 281 | 5,775 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible List] | ASU 2016-02 |  |  |  |  |  |  | ASU 2016-02 |
Issuance of stock, net of offering costs | $ 321 |  |  |  |  |  | 321 |  |
Issuance of stock, net of offering costs (in shares) |  |  |  |  | 146 |  |  |  |
Stock-based compensation | 78 |  |  |  |  |  | 78 |  |
Restricted stock issuance | 26 |  |  |  | $ 26 |  |  |  |
Restricted stock issuance (in shares) |  |  |  |  | 5 |  |  |  |
Net loss | (2,068) |  |  |  |  |  |  | $ (2,068) |
Balance, end of period at Sep. 30, 2019 | 1,295 |  |  |  | $ 190,597 | (4,129) | 8,363 | (193,536) |
Balance (in shares) at Sep. 30, 2019 |  |  | 281 | 281 | 5,926 |  |  |  |
Balance, beginning of period at Jun. 30, 2019 | 2,708 | $ 230 |  |  | $ 190,571 | (4,129) | 7,964 | (191,698) | $ 230
Balance (in shares) at Jun. 30, 2019 |  |  | 281 | 281 | 5,775 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible List] |  | ASU 2016-02 |  |  |  |  |  |  |
Net loss | (6,219) |  |  |  |  |  |  |  |
Balance, end of period at Mar. 31, 2020 | 2,651 |  |  |  | $ 190,599 | (4,129) | 13,868 | (197,687) |
Balance (in shares) at Mar. 31, 2020 |  |  | 281 | 281 | 7,575 |  |  |  |
Balance, beginning of period at Sep. 30, 2019 | 1,295 |  |  |  | $ 190,597 | (4,129) | 8,363 | (193,536) |
Balance (in shares) at Sep. 30, 2019 |  |  | 281 | 281 | 5,926 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Issuance of stock, net of offering costs | 952 |  |  |  | $ 1 |  | 951 |  |
Issuance of stock, net of offering costs (in shares) |  |  |  |  | 433 |  |  |  |
Stock-based compensation | 97 |  |  |  |  |  | 97 |  |
Cancellation of restricted stock | (11) |  |  |  |  |  | (11) |  |
Cancellation of restricted stock (in shares) |  |  |  |  | (11) |  |  |  |
Forfeiture of stock-based compensation | (3) |  |  |  |  |  | (3) |  |
Net loss | (2,083) |  |  |  |  |  |  | (2,083) |
Balance, end of period at Dec. 31, 2019 | 247 |  |  |  | $ 190,598 | (4,129) | 9,397 | (195,619) |
Balance (in shares) at Dec. 31, 2019 |  |  | 281 | 281 | 6,348 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Issuance of stock, net of offering costs | 4,377 |  |  |  | $ 1 |  | 4,376 |  |
Issuance of stock, net of offering costs (in shares) |  |  |  |  | 1,227 |  |  |  |
Stock-based compensation | 95 |  |  |  |  |  | 95 |  |
Net loss | (2,068) |  |  |  |  |  |  | (2,068) |
Balance, end of period at Mar. 31, 2020 | 2,651 |  |  |  | $ 190,599 | (4,129) | 13,868 | (197,687) |
Balance (in shares) at Mar. 31, 2020 |  |  | 281 | 281 | 7,575 |  |  |  |
Balance, beginning of period at Jun. 30, 2020 | 625 |  |  |  | $ 190,599 | (4,129) | 13,934 | (199,779) |
Balance (in shares) at Jun. 30, 2020 |  |  | 281 |  | 7,850 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Stock offering costs | (2) |  |  |  |  |  | (2) |  |
Stock-based compensation | 49 |  |  |  |  |  | 49 |  |
Cancellation of restricted stock | (5) |  |  |  |  |  | (5) |  |
Cancellation of restricted stock (in shares) |  |  |  |  | (6) |  |  |  |
Net loss | (2,111) |  |  |  |  |  |  | (2,111) |
Balance, end of period at Sep. 30, 2020 | (1,444) |  |  |  | $ 190,599 | (4,129) | 13,976 | (201,890) |
Balance (in shares) at Sep. 30, 2020 |  |  | 281 |  | 7,844 |  |  |  |
Balance, beginning of period at Jun. 30, 2020 | 625 |  |  |  | $ 190,599 | (4,129) | 13,934 | (199,779) |
Balance (in shares) at Jun. 30, 2020 |  |  | 281 |  | 7,850 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net loss | (6,136) |  |  |  |  |  |  |  |
Balance, end of period at Mar. 31, 2021 | 28,328 |  |  |  | $ 190,616 | (4,129) | 47,756 | (205,915) |
Balance (in shares) at Mar. 31, 2021 |  |  | 281 |  | 24,613 |  |  |  |
Balance, beginning of period at Sep. 30, 2020 | (1,444) |  |  |  | $ 190,599 | (4,129) | 13,976 | (201,890) |
Balance (in shares) at Sep. 30, 2020 |  |  | 281 |  | 7,844 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Issuance of stock, net of offering costs | 21,830 |  |  |  | $ 11 |  | 21,819 |  |
Issuance of stock, net of offering costs (in shares) |  |  |  |  | 10,714 |  |  |  |
Stock-based compensation | 47 |  |  |  |  |  | 47 |  |
Cancellation of restricted stock | (1) |  |  |  |  |  | (1) |  |
Cancellation of restricted stock (in shares) |  |  |  |  | (17) |  |  |  |
Net loss | (1,622) |  |  |  |  |  |  | (1,622) |
Balance, end of period at Dec. 31, 2020 | 18,810 |  |  |  | $ 190,610 | (4,129) | 35,841 | (203,512) |
Balance (in shares) at Dec. 31, 2020 |  |  | 281 |  | 18,541 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Issuance of stock, net of offering costs | 11,727 |  |  |  | $ 4 |  | 11,723 |  |
Issuance of stock, net of offering costs (in shares) |  |  |  |  | 3,985 |  |  |  |
Stock-based compensation | 194 |  |  |  | $ 2 |  | 192 |  |
Stock-based compensation (in shares) |  |  |  |  | 2,087 |  |  |  |
Net loss | (2,403) |  |  |  |  |  |  | (2,403) |
Balance, end of period at Mar. 31, 2021 | $ 28,328 |  |  |  | $ 190,616 | $ (4,129) | $ 47,756 | $ (205,915) |
Balance (in shares) at Mar. 31, 2021 |  |  | 281 |  | 24,613 |  |  |  |

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