XML 59 R26.htm IDEA: XBRL DOCUMENT v3.22.1

Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Financing Receivable, Allowance for Credit Loss [Table Text Block]

		2021				2020
Allowance for doubtful accounts at the beginning of the period		$	498,044			$	612,434
Bad debt expense			(28,499	)			320,270
Receivables written off during the periods			(24,415	)			(484,265	)
Effect of currency translation			(36,054	)			49,605
Allowance for doubtful accounts at the end of the period		$	409,076			$	498,044

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

		% Distribution								For the Year Ended December 31
		2021				2020				2021				2020
North America			17	%			3	%		$	3,121,797			$	656,032
Australia			2	%			2	%			401,485				524,255
Asia			23	%			15	%			4,256,585				3,372,286
Europe			58	%			80	%			10,493,574				17,973,628
			100	%			100	%		$	18,273,442			$	22,526,201

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

		% Distribution								For the Year Ended December 31
		2021				2020				2021				2020
Liquid filters and systems			39	%			63	%		$	7,196,465			$	14,147,842
Diesel particulate filters			39	%			22	%			7,183,868				5,131,891
Plastics components			20	%			12	%			3,615,681				2,647,366
Development projects			2	%			3	%			277,428				599,102
			100	%			100	%		$	18,273,442			$	22,526,201

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		2021				2020
Cost incurred		$	3,381,994			$	3,997,161
Unbilled project deliveries			454,158				1,015,977
VAT			542,255				446,608
Other receivables			60,158				75,010
Prepayments			(2,947,736	)			(3,112,118	)
Deferred Revenue			(499,146	)			(866,680	)
		$	991,682			$	1,555,958
Distributed as follows:
Contract assets		$	1,906,510			$	2,708,136
Contract liabilities			(914,828	)			(1,152,178	)
		$	991,682			$	1,555,958

X

- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

+ Details

Name:	us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

+ Details

Name:	us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total revenues from reportable segments to the entity's consolidated revenues.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599

+ Details

Name:	us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599

+ Details

Name:	us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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