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Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Restricted Stock (Details)

v3.21.2
Stockholders' Equity - Restricted Stock (Details) - USD ($)
1 Months Ended 12 Months Ended
Nov. 30, 2019
Jun. 18, 2019
Sep. 30, 2018
Apr. 30, 2021
Sep. 02, 2020
Apr. 30, 2020
Apr. 29, 2015
Stockholders Equity [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Restricted shares granted, value Ìý $ 122,232 Ìý Ìý Ìý Ìý Ìý
Share price (in dollars per share) Ìý Ìý Ìý Ìý $ 9.49 Ìý $ 1.86
Restricted Stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Stockholders Equity [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Unvested shares of restricted common stock outstanding (in shares) Ìý Ìý Ìý 8,224 Ìý 24,672 Ìý
Total unrecognized compensation expense Ìý Ìý Ìý $ 28,071 Ìý $ 70,178 Ìý
Weighted average recognition period Ìý Ìý Ìý 8 months 1 day Ìý Ìý Ìý
Unrecognized compensation costs Ìý Ìý Ìý $ 28,000 Ìý Ìý Ìý
Restricted Stock | Andrew Kaplan Current Director Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Stockholders Equity [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Granted (in shares) Ìý 5,131 Ìý Ìý Ìý Ìý Ìý
Restricted Stock | Two former directors Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Stockholders Equity [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Granted (in shares) Ìý 25,000 Ìý Ìý Ìý Ìý Ìý
Restricted Stock | Chief Financial Officer Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Stockholders Equity [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Granted (in shares) Ìý Ìý 25,000 Ìý Ìý Ìý Ìý
Share price (in dollars per share) Ìý Ìý $ 7.15 Ìý Ìý Ìý Ìý
Weighted average recognition period Ìý Ìý 36 months Ìý Ìý Ìý Ìý
Total unrecognized compensation expense Ìý Ìý $ 180,000 Ìý Ìý Ìý Ìý
Restricted stock vesting percentage 66.67% Ìý Ìý Ìý Ìý Ìý Ìý
Amortization expense $ 108,000 Ìý Ìý Ìý Ìý Ìý Ìý