Number of warrants or rights exercised.

No definition available.

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- Definition

Percentage of commission on the gross sales price per share of common stock sold.

+ References

No definition available.

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- Definition

The gross cash inflow from the additional capital contribution to the entity before issuance costs.

+ References

No definition available.

+ Details

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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- Definition

The amount of cash paid for commissions during the current period.

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- Definition

The cash inflow from the additional capital contribution to the entity.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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- Definition

Number of new stock issued during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Subsequent Events (Details) - USD ($)				1 Months Ended		12 Months Ended
Subsequent Events (Details) - USD ($)	Feb. 15, 2021	Jul. 21, 2020	Mar. 11, 2020	Jan. 31, 2021	Dec. 31, 2016	Dec. 31, 2020	Dec. 31, 2019	Jul. 17, 2019
Subsequent Event
Asset impairment charge			$ 0			$ 100,000	$ 19,000
Proceeds from Issuance of Common Stock						$ 14,599,000	$ 2,476,000
Firm Commitment Offering
Subsequent Event
Sale of Stock, Price Per Share		$ 0.42
Proceeds from Issuance of Common Stock		$ 8,000,000
ATM Agreement
Subsequent Event
Stock Issued During Period, Shares, New Issues						823,452	33,995
Proceeds from Issuance of Common Stock						$ 223,000	$ 11,000
Percentage of Commission					2.00%
ATM Agreement \| Subsequent Event
Subsequent Event
Stock Issued During Period, Shares, New Issues	1,856,960
Sale of Stock, Price Per Share	$ 0.97
Proceeds from Issuance of Common Stock	$ 1,800,000
Percentage of Commission	2.00%
Proceeds from Issuance of Common Stock, Gross	$ 37,000
Payments for Commissions	$ 6,000
Series A Warrants
Subsequent Event
Exercise price of warrants (in dollars per share)								$ 0.33
Series A Warrants \| Subsequent Event
Subsequent Event
Class of warrants or rights exercised				200,000
Exercise price of warrants (in dollars per share)				$ 0.30
Proceeds from Warrant				$ 420,000
Series A Warrants \| Private Placement \| Subsequent Event
Subsequent Event
Class of warrants or rights exercised				1,400,000
Series B Warrants
Subsequent Event
Exercise price of warrants (in dollars per share)						$ 0.35		$ 0.33
Series B Warrants \| Subsequent Event
Subsequent Event
Class of warrants or rights exercised				1,500,000
Exercise price of warrants (in dollars per share)				$ 0.35
Proceeds from Warrant				$ 595,000