Notes Payable (Details Narrative)									3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 02, 2021	Jun. 15, 2021 USD ($) shares	Apr. 02, 2021 USD ($)	Mar. 05, 2021 USD ($) $ / shares	Dec. 08, 2020 USD ($)	Apr. 16, 2020 USD ($)	Apr. 12, 2019	Jun. 01, 2018 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) shares
Short-term Debt [Line Items]
Unsecured promissory notes		$ 120,000							$ 110,000		$ 110,000
Percentage of common stock							9.99%
Debt discount									74,000		74,000
Accretion of debt discount									208,000	$ 456,000	270,000	$ 877,000
Derivative liability		$ 172,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares		4,761,905
Settlement Debt		$ 30,000
Interest Payable									10		10
Change in fair value recognized in non-operating income (expense)									35,000		$ 33,000
Debt description											Further, in such event, for each 30 days thereafter (September 1, 2021 being the next trigger date) up to an additional two times that the Registration Statement is not effective, the outstanding balance of the March 2021 Note will automatically be increased by an additional 5%.
Current liabilities									1,779,000		$ 1,779,000		$ 1,777,000
Convertible Promissory Note [Member]
Short-term Debt [Line Items]
Debt discount				$ 1,000,000
Amortization of debt discount				210,000
Accretion of debt discount				1,210,000
March 2021 [Member]
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Increase (Decrease)	5.00%
PPP Loan [Member]
Short-term Debt [Line Items]
Debt forgiveness amount			$ 108,000			$ 108,000
PPP Loan [Member] | Aquesta Bank [Member]
Short-term Debt [Line Items]
Maturity date of notes						Apr. 01, 2023
Debt instrument accrued interest rate						1.00%
Debt description						Not more than 40% of the forgiven amount may be used for non-payroll costs.
Debt monthly payments						$ 6,000
Current liabilities													3,000
Non-current liabilities													111,000
Securities Purchase Agreement [Member] | Convertible Promissory Note [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				$ 13,210,000
Debt instrument accrued interest rate				8.00%
Debt instrument, term				12 months
Debt conversion price, percentage				70.00%
Debt instrument, conversion price per shares | $ / shares				$ 0.04
Security Purchase Agreement Mmeber [Member] | Convertible Promissory Note [Member] | Initial Tranche [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				$ 1,210,000
Security Purchase Agreement Mmeber [Member] | Convertible Promissory Note [Member] | One Tranche [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				1,200,000
Security Purchase Agreement Mmeber [Member] | Convertible Promissory Note [Member] | Two Tranche [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				1,200,000
Security Purchase Agreement Mmeber [Member] | Convertible Promissory Note [Member] | Three Tranche [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				1,200,000
Security Purchase Agreement Mmeber [Member] | Convertible Promissory Note [Member] | Four Tranche [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				1,200,000
Security Purchase Agreement Mmeber [Member] | Convertible Promissory Note [Member] | FiveTranche [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				1,200,000
Security Purchase Agreement Mmeber [Member] | Convertible Promissory Note [Member] | Six Tranche [Member]
Short-term Debt [Line Items]
Unsecured promissory notes				$ 6,000,000
Shares Issued Upon Conversion [Member]
Short-term Debt [Line Items]
Unsecured promissory notes													$ 0
Debt conversion, shares issued | shares													93,078,492
Debt conversion, amount													$ 929,000
June 2018 Notes [Member]
Short-term Debt [Line Items]
Unsecured promissory notes								$ 3,600,000
Notes payable								$ 3,000,000
Maturity date of notes								Apr. 01, 2019
Percentage of common stock								120.00%
December 2020 Note [Member]
Short-term Debt [Line Items]
Debt discount					$ 200,000
Amortization of debt discount					30,000
Accretion of debt discount					230,000
Derivative liability					555,000				$ 107,000		$ 107,000
Beneficial conversion feature					355,000
Interest expense, debt					355,000
Change in fair value recognized in non-operating income (expense)													$ 246,000
December 2020 Note [Member] | Measurement Input, Share Price [Member]
Short-term Debt [Line Items]
Debt instrument, measurement input									0.00047		0.00047		0.0004
December 2020 Note [Member] | Measurement Input, Conversion Price [Member]
Short-term Debt [Line Items]
Debt instrument, measurement input									0.00038		0.00038		0.00025
December 2020 Note [Member] | Measurement Input, Expected Term [Member]
Short-term Debt [Line Items]
Debt instrument, term											5 months 8 days		11 months 8 days
December 2020 Note [Member] | Measurement Input, Expected Dividend Rate [Member]
Short-term Debt [Line Items]
Debt instrument, measurement input									0		0		0
December 2020 Note [Member] | Measurement Input, Risk Free Interest Rate [Member]
Short-term Debt [Line Items]
Debt instrument, measurement input									0.0005		0.0005		0.0010
December 2020 Note [Member] | Measurement Input, Price Volatility [Member]
Short-term Debt [Line Items]
Debt instrument, measurement input									1.4443		1.4443
December 2020 Note [Member] | Securities Purchase Agreement [Member]
Short-term Debt [Line Items]
Notes payable					$ 230,000
Percentage of common stock					70.00%
Debt discount					$ 200,000
Debt instrument accrued interest rate					8.00%
December Two Thousand Twenty Notes [Member] | Measurement Input, Price Volatility [Member]
Short-term Debt [Line Items]
Debt instrument, measurement input													1.6736