Condensed Consolidated Statement of Changes in Redeemable Noncontrolling Interest and Stockholders' Deficit - (Unaudited) - USD ($) $ in Thousands | Total | Redeemable Noncontrolling Interest [Member] | Class A Common Stock [Member] | Class B Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] |
Beginning balance at Dec. 31, 2019 | $ (49,023) | | $ 409 | $ 232 | $ 183,858 | $ (233,522) |
Beginning balance, redeemable noncontrolling interest at Dec. 31, 2019 | | $ 40,183 | | | | |
Beginning balance, shares at Dec. 31, 2019 | | | 40,918,522 | 23,094,221 | | |
Net loss | (8,092) | (4,064) | | | | (8,092) |
Share-based compensation | 566 | | | | 566 | |
Issuance of Class A Common Stock under ATM offering | 7,280 | | $ 26 | | 7,254 | |
Issuance of Class A common stock under ATM offering shares | | | 2,638,306 | | | |
Issuance of Class A Common Stock to a related party under the Letter Agreements | 7,000 | | $ 44 | | 6,956 | |
Issuance of Class A Common Stock to a related party under the Letter Agreements, shares | | | 4,375,000 | | | |
Vesting of restricted stock units, shares | | | 11,667 | | | |
Change in redemption value of noncontrolling interest | (27,259) | 27,259 | | | | (27,259) |
Ending balance at Jun. 30, 2020 | (69,528) | | $ 479 | $ 232 | 198,634 | (268,873) |
Ending balance, redeemable noncontrolling interest at Jun. 30, 2020 | | 63,378 | | | | |
Ending balance, shares at Jun. 30, 2020 | | | 47,943,495 | 23,094,221 | | |
Beginning balance at Mar. 31, 2020 | (61,821) | | $ 447 | $ 232 | 190,200 | (252,700) |
Beginning balance, redeemable noncontrolling interest at Mar. 31, 2020 | | 52,196 | | | | |
Beginning balance, shares at Mar. 31, 2020 | | | 44,680,189 | 23,094,221 | | |
Net loss | (3,368) | (1,623) | | | | (3,368) |
Share-based compensation | 186 | | | | 186 | |
Issuance of Class A Common Stock under ATM offering | 7,280 | | $ 26 | | 7,254 | |
Issuance of Class A common stock under ATM offering shares | | | 2,638,306 | | | |
Issuance of Class A Common Stock to a related party under the Letter Agreements | 1,000 | | $ 6 | | 994 | |
Issuance of Class A Common Stock to a related party under the Letter Agreements, shares | | | 625,000 | | | |
Change in redemption value of noncontrolling interest | (12,805) | 12,805 | | | | (12,805) |
Ending balance at Jun. 30, 2020 | (69,528) | | $ 479 | $ 232 | 198,634 | (268,873) |
Ending balance, redeemable noncontrolling interest at Jun. 30, 2020 | | 63,378 | | | | |
Ending balance, shares at Jun. 30, 2020 | | | 47,943,495 | 23,094,221 | | |
Beginning balance at Dec. 31, 2020 | (80,102) | | $ 541 | $ 232 | 209,161 | (290,036) |
Beginning balance, redeemable noncontrolling interest at Dec. 31, 2020 | | 83,895 | | | | |
Beginning balance, shares at Dec. 31, 2020 | | | 54,050,710 | 23,094,221 | | |
Net loss | (4,849) | (1,934) | | | | (4,849) |
Share-based compensation | 888 | | | | 888 | |
Issuance of Class A Common Stock under ATM offering | 5,335 | | $ 22 | | 5,313 | |
Issuance of Class A common stock under ATM offering shares | | | 2,180,337 | | | |
Exchange of Class B Common Stock for Class A Common Stock, shares | | | 361 | (361) | | |
Exercise of stock options | $ 47 | | | | 47 | |
Exercise of stock options, shares | 20,833 | | 20,833 | | | |
Issuance of Class A Common Stock under LPC Agreement | $ 9,087 | | $ 39 | | 9,048 | |
Issuance of class A common stock under LPC agreement, shares | | | 3,941,726 | | | |
Change in redemption value of noncontrolling interest | 21,771 | (21,771) | | | | 21,771 |
Ending balance at Jun. 30, 2021 | (47,823) | | $ 602 | $ 232 | 224,457 | (273,114) |
Ending balance, redeemable noncontrolling interest at Jun. 30, 2021 | 60,190 | 60,190 | | | | |
Ending balance, shares at Jun. 30, 2021 | | | 60,193,967 | 23,093,860 | | |
Beginning balance at Mar. 31, 2021 | (56,275) | | $ 576 | $ 232 | 217,647 | (274,730) |
Beginning balance, redeemable noncontrolling interest at Mar. 31, 2021 | | 62,647 | | | | |
Beginning balance, shares at Mar. 31, 2021 | | | 57,571,904 | 23,093,860 | | |
Net loss | (608) | (233) | | | | (608) |
Share-based compensation | 452 | | | | 452 | |
Issuance of Class A Common Stock under ATM offering | 5,335 | | $ 22 | | 5,313 | |
Issuance of Class A common stock under ATM offering shares | | | 2,180,337 | | | |
Issuance of Class A Common Stock under LPC Agreement | 1,049 | | $ 4 | | 1,045 | |
Issuance of class A common stock under LPC agreement, shares | | | 441,726 | | | |
Change in redemption value of noncontrolling interest | 2,224 | (2,224) | | | | 2,224 |
Ending balance at Jun. 30, 2021 | (47,823) | | $ 602 | $ 232 | $ 224,457 | $ (273,114) |
Ending balance, redeemable noncontrolling interest at Jun. 30, 2021 | $ 60,190 | $ 60,190 | | | | |
Ending balance, shares at Jun. 30, 2021 | | | 60,193,967 | 23,093,860 | | |