Quarterly report pursuant to Section 13 or 15(d)

Compliance to Satisfy a Continued Listing Rule or Standard (Details)

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Compliance to Satisfy a Continued Listing Rule or Standard (Details) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2019
Jun. 30, 2019
Compliance to Satisfy a Continued Listing Rule or Standard        
Entity Listing, Description On October 16, 2019, the Company received notification from the NYSE American (the "Exchange") that the Company was not in compliance with Section 1003(a)(ii) of the NYSE American Company Guide (the "Guide"), which applies if a listed company has stockholders' equity of less than $4,000,000 and has reported losses from continuing operations and/or net losses in three of its four most recent fiscal years, and Section 1003(a)(iii) of the Guide, which applies if a listed company has stockholders' equity of less than $6,000,000 and has reported losses from continuing operations and/or net losses in its five most recent fiscal years. On December 9, 2019, the Company received a further notice from the Exchange that the Company currently was below the Exchange's continued listing standards set forth in Section 1003(a)(i) of the Guide, which applies if a listed company has stockholders' equity of less than $2,000,000 and has reported losses from continuing operations and/or net losses in two of its three most recent fiscal years.      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 80,042 $ 56,607 $ (1,940) $ 2,457