Supplemental Information to Consolidated Statements of Cash Flows (Details)		5 Months Ended	12 Months Ended
	Aug. 09, 2019 USD ($) shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) $ / shares shares		Dec. 31, 2018 USD ($) shares	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Stock Issued During Period, Shares, New Issues | shares	585,300
Stock Issued During Period, Value, New Issues	$ 4,200,000			$ 4,214,000	[1]
Payment, Tax Withholding, Share-based Payment Arrangement			$ 174,000	$ 273,000		$ 85,000
Restricted Stock [Member]
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Restricted Stock Award, Forfeitures			$ 433,000
Number Of Executive Officers			2
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures | shares			52,428
Payment, Tax Withholding, Share-based Payment Arrangement			$ 173,526
Employees- Including an Executive Officer [Member]
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited | shares				14,391		4,235
Employees- Including an Executive Officer [Member] | Maximum [Member]
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Restricted Stock Award, Forfeitures				$ 100,000		$ 100,000
Executive Officer [Member]
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Number Of Executive Officers			2					2	2
Executive Officer [Member] | Restricted Stock [Member]
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited | shares			16,886	19,098		4,235
Restricted Stock Award, Forfeitures			$ 173,526	$ 273,000		$ 98,000
Number Of Executive Officers							2
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures | shares			16,886
Common Stock [Member]
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Stock Issued During Period, Shares, New Issues | shares		585,300
Stock Issued During Period, Value, New Issues		$ 4,200,000
Series A Preferred Stock [Member]
Supplemental Information to Consolidated Statements of Cash Flows (Details) [Line Items]
Stock Issued During Period, Shares, New Issues | shares		200,000
Preferred Stock, Par or Stated Value Per Share | $ / shares		$ 0.001		$ 0.001
Financial and Nonfinancial Liabilities, Fair Value Disclosure		$ 4,900,000		$ 4,900,000

[1] After giving effect to a 1 for 10 reverse stock split effective July 9, 2020.