WARRANTS - Issued with Series A Preferred Stock (Details)
$ / shares in Units, $ in Thousands |
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12 Months Ended |
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Feb. 05, 2021
USD ($)
shares
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Feb. 24, 2020
shares
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Feb. 21, 2020
item
shares
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Dec. 05, 2019
shares
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Jan. 26, 2017
USD ($)
$ / shares
shares
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Dec. 31, 2021
USD ($)
Rate
Y
shares
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| Warrants |
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| Warrants exercised (in shares) |
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27,855
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| Proceeds from exercise of warrants | $ |
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$ 69
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| 2017 Warrants | Warrants Issued with Series A Preferred Stock |
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| Warrants |
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| Warrants to purchase common stock (in shares) |
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309,389
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| Warrants to purchase common stock (in dollars) | $ |
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$ 200
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| Exercise price (in dollars per share) | $ / shares |
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$ 2.49
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| Number of warrant holders that exercised options | item |
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2
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| Warrants exercised (in shares) |
27,855
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72,818
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185,634
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20,000
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| Stock issued in exercise of warrants (in shares) |
27,855
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69,094
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176,092
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17,026
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| Proceeds from exercise of warrants | $ |
$ 69
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| 2017 Warrants | Warrants Issued with Series A Preferred Stock | Contractual term (in years) |
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| Warrants |
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| Measurement input | Y |
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10.0
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| 2017 Warrants | Warrants Issued with Series A Preferred Stock | Volatility |
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| Warrants |
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| Measurement input | Rate |
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0.7448
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| 2017 Warrants | Warrants Issued with Series A Preferred Stock | Risk-free interest rate |
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| Warrants |
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| Measurement input | Rate |
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0.0320
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| 2017 Warrants | Warrants Issued with Series A Preferred Stock | Dividend yield |
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| Warrants |
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| Measurement input | Rate |
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0.0000
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