SECURED PROMISSORY NOTE - Summary of Secured Promissory Notes Activity (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Note conversions	$ (100,000)
BD 1
Debt Instrument [Line Items]
Principal Balance, beginning	0	$ 0
New notes	0	0
Note conversions	0	0
Note Assignments		2,160,000
Notes Exchanged		(2,160,000)
Principal Balance, ending		0
Less: remaining discount		0
Secured Notes, net of discount	0	0
Secured Promissory Note, Current
Debt Instrument [Line Items]
Principal Balance, beginning	5,800,000	7,172,897
New notes	0	6,400,000
Note conversions	(5,800,000)	(600,000)
Note Assignments		0
Notes Exchanged		(7,172,897)
Principal Balance, ending		5,800,000
Less: remaining discount		(394,363)
Secured Notes, net of discount	0	5,405,637
Secured Promissory Note, Current \| Global Ichiban Convertible Note
Debt Instrument [Line Items]
Principal Balance, beginning	5,800,000	5,012,897
New notes	0	6,400,000
Note conversions	(5,800,000)	(600,000)
Note Assignments		0
Notes Exchanged		(5,012,897)
Principal Balance, ending		5,800,000
Less: remaining discount		(394,363)
Secured Notes, net of discount	0	5,405,637
Secured Promissory Note, Current \| St. George Convertible Note
Debt Instrument [Line Items]
Principal Balance, beginning	0	2,160,000
New notes	0	0
Note conversions	0	0
Note Assignments		(2,160,000)
Notes Exchanged		0
Principal Balance, ending		0
Less: remaining discount		0
Secured Notes, net of discount	$ 0	$ 0

Debt Instrument, Increase (Decrease), Amount Redocumented Or Assigned

No definition available.

Name:	asti_DebtInstrumentIncreaseDecreaseAmountRedocumentedOrAssigned
Namespace Prefix:	asti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Increase decrease in debt conversion due to notes exchanged.

+ References

No definition available.

+ Details

Name:	asti_IncreaseDecreaseInDebtConversionDueToNotesExchanged
Namespace Prefix:	asti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Secured Promissory Notes, Current

+ References

No definition available.

+ Details

Name:	asti_SecuredPromissoryNotesCurrent
Namespace Prefix:	asti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Short Term Debt, Gross

+ References

No definition available.

+ Details

Name:	asti_ShortTermDebtGross
Namespace Prefix:	asti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586

+ Details

Name:	us-gaap_DebtConversionConvertedInstrumentAmount1
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

+ Details

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

- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromShortTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=asti_SecuredPromissoryNoteCurrentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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