Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

+ Details

Name:	us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Net fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958

+ Details

Name:	us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 15
-URI http://asc.fasb.org/subtopic&trid=2229187

+ Details

Name:	us-gaap_EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_EmbeddedDerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=asti_GlobalIchibanLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=asti_GlobalIchibanExchangeNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=asti_BD1InvestmentHoldingLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DERIVATIVE LIABILITIES - Additional Information (Details)		12 Months Ended
	Mar. 09, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 09, 2020 USD ($)	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)
Embedded Derivative [Line Items]
Derivative Liability		$ 5,303,984			$ 7,717,150
Change in fair value of derivative liability		(2,861,069)
Derivative Liability		5,303,984			$ 7,717,150
Convertible Debt \| Global Ichiban Limited
Embedded Derivative [Line Items]
Derivative Liability				$ 2,010,975
Derivative Liability				2,010,975
Fair value of embedded derivative		5,303,984
Convertible Debt \| Global Ichiban Limited \| GI Exchange Note
Embedded Derivative [Line Items]
Derivative Liability			$ 447,903
Derivative Liability			$ 447,903
Convertible Debt \| BD1
Embedded Derivative [Line Items]
Derivative Liability				5,706,175
Derivative Liability				$ 5,706,175
Embedded Derivative Financial Instruments \| Convertible Debt \| Global Ichiban Limited
Embedded Derivative [Line Items]
Change in fair value of derivative liability	$ 5,303,984	2,845,106
Embedded Derivative Financial Instruments \| Convertible Debt \| BD1
Embedded Derivative [Line Items]
Change in fair value of derivative liability		$ 5,706,175
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Price Volatility \| Global Ichiban Limited
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input		0.62		0.46
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Price Volatility \| Global Ichiban Limited \| GI Exchange Note
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input			0.49
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Price Volatility \| BD1 \| Minimum [Member]
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input				0.42
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Price Volatility \| BD1 \| Maximum
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input				0.46
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Discount Rate \| Global Ichiban Limited
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input		0		0.12
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Discount Rate \| Global Ichiban Limited \| GI Exchange Note
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input			0.0152
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Discount Rate \| BD1
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input				0.12
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Expected Dividend Rate \| Global Ichiban Limited
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input				0
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Expected Dividend Rate \| Global Ichiban Limited \| GI Exchange Note
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input			0
Embedded Derivative Financial Instruments \| Convertible Debt \| Measurement Input, Expected Dividend Rate \| BD1
Embedded Derivative [Line Items]
Debt Instrument, Measurement Input				0