Consolidated Statements of Stockholders' Equity - USD ($) |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Total |
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Balance at Jun. 30, 2021 | [1] | $ 14,000 | $ 79,197,000 | $ (67,163,000) | $ 12,048,000 | ||||||||||||||||
Balance, shares at Jun. 30, 2021 | [1] | 13,652,164 | |||||||||||||||||||
Net loss | [2],[3] | (4,363,000) | |||||||||||||||||||
Balance at Sep. 30, 2021 | 23,563,000 | ||||||||||||||||||||
Balance, shares at Sep. 30, 2021 | 15,987,502 | ||||||||||||||||||||
Balance at Jun. 30, 2021 | [1] | $ 14,000 | 79,197,000 | (67,163,000) | 12,048,000 | ||||||||||||||||
Balance, shares at Jun. 30, 2021 | [1] | 13,652,164 | |||||||||||||||||||
Net loss | [2],[3] | (9,742,000) | |||||||||||||||||||
Balance at Dec. 31, 2021 | $ 18,329,000 | ||||||||||||||||||||
Balance, shares at Dec. 31, 2021 | 15,987,502 | ||||||||||||||||||||
Balance at Jun. 30, 2021 | [1] | $ 14,000 | 79,197,000 | (67,163,000) | $ 12,048,000 | ||||||||||||||||
Balance, shares at Jun. 30, 2021 | [1] | 13,652,164 | |||||||||||||||||||
Net loss | [2],[3] | (13,635,000) | |||||||||||||||||||
Balance at Mar. 31, 2022 | $ 14,587,000 | ||||||||||||||||||||
Balance, shares at Mar. 31, 2022 | 15,992,080 | ||||||||||||||||||||
Balance at Jun. 30, 2021 | [1] | $ 14,000 | 79,197,000 | (67,163,000) | $ 12,048,000 | ||||||||||||||||
Balance, shares at Jun. 30, 2021 | [1] | 13,652,164 | |||||||||||||||||||
Issuance of common stock - exercised options and RSU settlement | |||||||||||||||||||||
Issuance of common stock, exercised options and RSU settlement, shares | 10,852 | 3,400 | |||||||||||||||||||
Fair value of warrants issued | 253,000 | $ 253,000 | |||||||||||||||||||
Stock-based compensation | 711,000 | 711,000 | |||||||||||||||||||
Net loss | (16,473,000) | (16,473,000) | [4],[5] | ||||||||||||||||||
Issuance of common stock — public offering, net of costs | 1,602,000 | 1,602,000 | |||||||||||||||||||
Issuance of common stock - public offering, net of costs, shares | 190,782 | ||||||||||||||||||||
Issuance of common stock and warrants - registered direct offering, net of costs | $ 2,000 | 13,969,000 | 13,971,000 | ||||||||||||||||||
Issuance of common stock and warrants - registered direct offering, net of costs, shares | 2,142,860 | ||||||||||||||||||||
Balance at Jun. 30, 2022 | $ 16,000 | 95,732,000 | (83,636,000) | 12,112,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2022 | 15,996,658 | ||||||||||||||||||||
Balance at Sep. 30, 2021 | 23,563,000 | ||||||||||||||||||||
Balance, shares at Sep. 30, 2021 | 15,987,502 | ||||||||||||||||||||
Net loss | (5,379,000) | ||||||||||||||||||||
Balance at Dec. 31, 2021 | $ 18,329,000 | ||||||||||||||||||||
Balance, shares at Dec. 31, 2021 | 15,987,502 | ||||||||||||||||||||
Net loss | $ (3,893,000) | ||||||||||||||||||||
Balance at Mar. 31, 2022 | $ 14,587,000 | ||||||||||||||||||||
Balance, shares at Mar. 31, 2022 | 15,992,080 | ||||||||||||||||||||
Net loss | $ (2,838,000) | ||||||||||||||||||||
Balance at Jun. 30, 2022 | $ 16,000 | 95,732,000 | (83,636,000) | 12,112,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2022 | 15,996,658 | ||||||||||||||||||||
Net loss | [2],[3] | (2,260,000) | |||||||||||||||||||
Balance at Sep. 30, 2022 | 9,947,000 | ||||||||||||||||||||
Balance, shares at Sep. 30, 2022 | 15,998,336 | ||||||||||||||||||||
Balance at Jun. 30, 2022 | $ 16,000 | 95,732,000 | (83,636,000) | 12,112,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2022 | 15,996,658 | ||||||||||||||||||||
Net loss | [2],[3] | (4,056,000) | |||||||||||||||||||
Balance at Dec. 31, 2022 | $ 8,360,000 | ||||||||||||||||||||
Balance, shares at Dec. 31, 2022 | 16,029,478 | ||||||||||||||||||||
Balance at Jun. 30, 2022 | $ 16,000 | 95,732,000 | (83,636,000) | $ 12,112,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2022 | 15,996,658 | ||||||||||||||||||||
Net loss | [2],[3] | (5,543,000) | |||||||||||||||||||
Balance at Mar. 31, 2023 | $ 7,805,000 | ||||||||||||||||||||
Balance, shares at Mar. 31, 2023 | 16,156,432 | ||||||||||||||||||||
Balance at Jun. 30, 2022 | $ 16,000 | 95,732,000 | (83,636,000) | $ 12,112,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2022 | 15,996,658 | ||||||||||||||||||||
Issuance of common stock - exercised options and RSU settlement | |||||||||||||||||||||
Issuance of common stock, exercised options and RSU settlement, shares | 110,248 | 22,500 | |||||||||||||||||||
Stock-based compensation | 798,000 | $ 798,000 | |||||||||||||||||||
Net loss | (7,743,000) | (7,743,000) | [4],[5],[6] | ||||||||||||||||||
Issuance of common stock — public offering, net of costs | 1,556,000 | 1,556,000 | |||||||||||||||||||
Issuance of common stock - public offering, net of costs, shares | 355,309 | ||||||||||||||||||||
Balance at Jun. 30, 2023 | $ 16,000 | 98,086,000 | (91,379,000) | 6,723,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2023 | 16,462,215 | ||||||||||||||||||||
Balance at Sep. 30, 2022 | 9,947,000 | ||||||||||||||||||||
Balance, shares at Sep. 30, 2022 | 15,998,336 | ||||||||||||||||||||
Net loss | (1,796,000) | ||||||||||||||||||||
Balance at Dec. 31, 2022 | $ 8,360,000 | ||||||||||||||||||||
Balance, shares at Dec. 31, 2022 | 16,029,478 | ||||||||||||||||||||
Net loss | $ (1,487,000) | ||||||||||||||||||||
Balance at Mar. 31, 2023 | $ 7,805,000 | ||||||||||||||||||||
Balance, shares at Mar. 31, 2023 | 16,156,432 | ||||||||||||||||||||
Net loss | $ (2,200,000) | ||||||||||||||||||||
Balance at Jun. 30, 2023 | $ 16,000 | 98,086,000 | (91,379,000) | 6,723,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2023 | 16,462,215 | ||||||||||||||||||||
Net loss | [2],[7] | (2,188,000) | |||||||||||||||||||
Balance at Sep. 30, 2023 | 4,811,000 | ||||||||||||||||||||
Balance, shares at Sep. 30, 2023 | 16,478,237 | ||||||||||||||||||||
Balance at Jun. 30, 2023 | $ 16,000 | 98,086,000 | (91,379,000) | 6,723,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2023 | 16,462,215 | ||||||||||||||||||||
Net loss | [2],[3],[7],[8] | (3,084,000) | |||||||||||||||||||
Balance at Dec. 31, 2023 | $ 4,401,000 | ||||||||||||||||||||
Balance, shares at Dec. 31, 2023 | 16,532,275 | ||||||||||||||||||||
Balance at Jun. 30, 2023 | $ 16,000 | 98,086,000 | (91,379,000) | $ 6,723,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2023 | 16,462,215 | ||||||||||||||||||||
Net loss | [2],[3],[7],[8] | (6,089,000) | |||||||||||||||||||
Balance at Mar. 31, 2024 | $ 2,069,000 | ||||||||||||||||||||
Balance, shares at Mar. 31, 2024 | 16,599,683 | ||||||||||||||||||||
Balance at Jun. 30, 2023 | $ 16,000 | 98,086,000 | (91,379,000) | $ 6,723,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2023 | 16,462,215 | ||||||||||||||||||||
Issuance of common stock - exercised options and RSU settlement | $ 1,000 | 35,000 | $ 36,000 | ||||||||||||||||||
Issuance of common stock, exercised options and RSU settlement, shares | 182,707 | 100,104 | |||||||||||||||||||
Issuance of common stock – ESPP | 105,000 | $ 105,000 | |||||||||||||||||||
Issuance of common stock - ESPP, shares | 37,543 | ||||||||||||||||||||
Fair value of warrants issued | 92,000 | 92,000 | |||||||||||||||||||
Stock-based compensation | 1,571,000 | 1,571,000 | |||||||||||||||||||
Net loss | (8,333,000) | (8,333,000) | |||||||||||||||||||
Balance at Jun. 30, 2024 | $ 17,000 | 99,889,000 | (99,712,000) | 194,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2024 | 16,682,465 | ||||||||||||||||||||
Balance at Sep. 30, 2023 | 4,811,000 | ||||||||||||||||||||
Balance, shares at Sep. 30, 2023 | 16,478,237 | ||||||||||||||||||||
Net loss | (896,000) | ||||||||||||||||||||
Balance at Dec. 31, 2023 | $ 4,401,000 | ||||||||||||||||||||
Balance, shares at Dec. 31, 2023 | 16,532,275 | ||||||||||||||||||||
Net loss | $ (3,005,000) | ||||||||||||||||||||
Balance at Mar. 31, 2024 | $ 2,069,000 | ||||||||||||||||||||
Balance, shares at Mar. 31, 2024 | 16,599,683 | ||||||||||||||||||||
Net loss | $ (2,244,000) | ||||||||||||||||||||
Balance at Jun. 30, 2024 | $ 17,000 | $ 99,889,000 | $ (99,712,000) | $ 194,000 | |||||||||||||||||
Balance, shares at Jun. 30, 2024 | 16,682,465 | ||||||||||||||||||||
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