Note 15 - Goodwill	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Goodwill Disclosure [Text Block]	*15.* Goodwill Under the provisions of U.S. GAAP, goodwill is subject to at least annual assessments for impairment by applying a fair-value based test. U.S. GAAP also requires that an acquired intangible asset should be separately recognized if the benefit of the intangible asset is obtained through contractual or other legal rights, or if the asset can be sold, licensed, rented or exchanged, regardless of the acquirer’s intent to do so. In the first quarter of 2019, the Company identified an impairment indicator related to the goodwill associated with Clever. As a result of an impairment test, the Company fully impaired the goodwill related to Clever in the first quarter and recorded an impairment charge of $220,000. In the first quarter of 2019, the Company identified an impairment indicator related to the goodwill associated with Flexo. As a result of an impairment test, the Company fully impaired the goodwill related to Flexo in the first quarter and recorded an impairment charge of $1,033,000. The goodwill balance as of December 31, 2021 and 2020 is zero.

Note 15 - Goodwill

12 Months Ended

Dec. 31, 2021

15. Goodwill

Under the provisions of U.S. GAAP, goodwill is subject to at least annual assessments for impairment by applying a fair-value based test. U.S. GAAP also requires that an acquired intangible asset should be separately recognized if the benefit of the intangible asset is obtained through contractual or other legal rights, or if the asset can be sold, licensed, rented or exchanged, regardless of the acquirer’s intent to do so.

In the first quarter of 2019, the Company identified an impairment indicator related to the goodwill associated with Clever. As a result of an impairment test, the Company fully impaired the goodwill related to Clever in the first quarter and recorded an impairment charge of $220,000. In the first quarter of 2019, the Company identified an impairment indicator related to the goodwill associated with Flexo. As a result of an impairment test, the Company fully impaired the goodwill related to Flexo in the first quarter and recorded an impairment charge of $1,033,000. The goodwill balance as of December 31, 2021 and 2020 is zero.