Common Stock and Preferred Stock (Details)			1 Months Ended										3 Months Ended			6 Months Ended		12 Months Ended
	Aug. 08, 2021 USD ($)	Aug. 09, 2019 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	May 31, 2021 USD ($) shares	Mar. 31, 2021 USD ($) shares	Jan. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares shares	Nov. 30, 2020 USD ($) shares	Oct. 31, 2020 USD ($) shares	Aug. 31, 2020 USD ($) shares	Jun. 30, 2020 USD ($) shares	Jan. 31, 2020 USD ($) shares	Jun. 30, 2021 USD ($) $ / shares shares	Mar. 31, 2021 USD ($) shares	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) $ / shares shares	Jul. 09, 2020 $ / shares
Common Stock and Preferred Stock (Details) [Line Items]
Common Stock, Par or Stated Value Per Share (in Dollars per share) | $ / shares			$ 0.001				$ 0.001						$ 0.001			$ 0.001		$ 0.001	$ 0.001
Paid-in-Kind Interest																$ 1,598,000	$ 2,277,000
Stock Issued During Period, Value, Conversion of Convertible Securities													$ 14,241,000	$ 5,631,000	$ 9,473,000
Temporary Equity, Shares Issued (in Shares) | shares		200,000	200,000				200,000						200,000			200,000		200,000
Temporary Equity, Par or Stated Value Per Share (in Dollars per share) | $ / shares		$ 0.001	$ 0.001				$ 0.001						$ 0.001			$ 0.001		$ 0.001
Temporary Equity, Shares Outstanding (in Shares) | shares			200,000				200,000						200,000			200,000		200,000
Temporary Equity, Initial Value Per Share (in Dollars per share) | $ / shares		$ 100
Temporary Equity, Quarterly Dividend Rate																6.00%
Temporary Equity, Dividends, Adjustment													$ 330,985		311,849	$ 657,079	619,090
Temporary Equity, Number Of Shares Outstanding In Which One Director May Be Elected (in Shares) | shares		50,000
Restricted Stock [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited (in Shares) | shares																		52,428
Restricted Stock Award, Forfeitures														$ 465,000				$ 433,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures (in Shares) | shares														93,352
Executive Officer [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Number Of Executive Officers					2									2
Executive Officer [Member] | Restricted Stock [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in Shares) | shares						113,896						70,421
Stock Issued During Period, Value, Restricted Stock Award, Gross						$ 600,000						$ 700,000
Number Of Executive Officers						2	2					2						2
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period						4 years						4 years
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited (in Shares) | shares														32,846				16,886
Restricted Stock Award, Forfeitures														$ 163,573				$ 173,526
Redeemable Preferred Stock [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Dividends																0	$ 0
Dividends Payable			$ 2,400,000				$ 1,700,000						2,400,000			2,400,000		1,700,000
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Redeemable Preferred Stock [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		$ 4,900,000	17,000,000.0				8,100,000						17,000,000.0			$ 17,000,000.0		$ 8,100,000
Minimum [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Temporary Equity, Liquidation Preference Percent Of Accreted Amount		20.00%
Minimum [Member] | Restricted Stock [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																1 year
Maximum [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Temporary Equity, Liquidation Preference Percent Of Accreted Amount		150.00%
Maximum [Member] | Restricted Stock [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																5 years
New Oasis Notes [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Debt Conversion, Converted Instrument, Amount			5,000,000.0	$ 2,000,000.0	$ 3,000,000.0		1,000,000.0	$ 4,000,000.0	$ 2,000,000.0	$ 1,000,000.0	$ 7,100,000
Paid-in-Kind Interest	$ 23,007		$ 245,040	$ 93,805	$ 128,230		$ 36,528	$ 138,248	$ 63,225	$ 27,288	$ 200,000					$ 700,000
Debt Conversion, Converted Instrument, Shares Issued (in Shares) | shares							177,085	708,340	354,170	177,085	710,100
Stock Issued During Period, Value, Conversion of Convertible Securities							$ 1,400,000	$ 5,400,000	$ 2,600,000	$ 1,300,000	$ 9,500,000
Common Stock [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Stock Issued During Period, Value, Conversion of Convertible Securities													$ 1,000		$ 1,000
Common Stock [Member] | New Oasis Notes [Member]
Common Stock and Preferred Stock (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares) | shares			885,425	354,170	531,255
Stock Issued During Period, Value, Conversion of Convertible Securities			$ 10,300,000	$ 4,000,000.0	$ 5,600,000