Note 13 - Divestitures - Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Net income from discontinued operations, net of taxes	$ 0	$ 82	$ 0	$ 11,124
Prepaid expenses and other current assets			44	51
Other assets			66	8
Accounts payable and accrued liabilities			$ (140)	178
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Net sales		521		1,076
Net income from discontinued operations, net of taxes		82		11,124
Cost of goods sold		479		724
Non-cash gain on divestiture				(11,200)
Gross profit		42		352
Accounts receivable				(434)
Net income from discontinued operations before income taxes		42		11,325
Sales and marketing				224
Inventory				116
Operating loss		(40)		125
Research and development				3
Prepaid expenses and other current assets				0
Total operating expenses				227
Other assets				9
Accounts payable and accrued liabilities				(290)
Gain on divestiture				11,200
Net cash (used in) provided by operating activities, discontinued operations				(675)
Proceeds from divestiture				11,500
Provision for income taxes				201
Net cash provided by investing activities, discontinued operations				11,500
Net increase (decrease) in cash and cash equivalents, discontinued operations				10,825
Avenova Assets [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Net sales		0		433
Net income from discontinued operations, net of taxes		38		10,548
Cost of goods sold		0		170
Non-cash gain on divestiture				(10,700)
Gross profit		0		263
Accounts receivable				(72)
Net income from discontinued operations before income taxes		0		10,739
Sales and marketing				224
Inventory				73
Operating loss		(38)		39
Research and development				0
Prepaid expenses and other current assets				0
Total operating expenses				224
Other assets				9
Accounts payable and accrued liabilities				(252)
Gain on divestiture				10,700
Net cash (used in) provided by operating activities, discontinued operations				(394)
Proceeds from divestiture				11,000
Provision for income taxes				191
Net cash provided by investing activities, discontinued operations				11,000
Net increase (decrease) in cash and cash equivalents, discontinued operations				10,606
PhaseOne [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Net sales		0		122
Net income from discontinued operations, net of taxes		2		534
Cost of goods sold		0		75
Non-cash gain on divestiture				(500)
Gross profit		0		47
Accounts receivable				6
Net income from discontinued operations before income taxes		0		544
Sales and marketing				0
Inventory				43
Operating loss		(2)		44
Research and development				3
Prepaid expenses and other current assets				0
Total operating expenses				3
Other assets				0
Accounts payable and accrued liabilities				(38)
Gain on divestiture				500
Net cash (used in) provided by operating activities, discontinued operations				45
Proceeds from divestiture				500
Provision for income taxes				10
Net cash provided by investing activities, discontinued operations				500
Net increase (decrease) in cash and cash equivalents, discontinued operations				545
NeutroPhase [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Net sales		521		521
Net income from discontinued operations, net of taxes		42		42
Cost of goods sold		479		479
Non-cash gain on divestiture				0
Gross profit		42		42
Accounts receivable				(368)
Net income from discontinued operations before income taxes		42		42
Sales and marketing				0
Inventory				0
Operating loss		$ 0		42
Research and development				0
Prepaid expenses and other current assets				0
Total operating expenses				0
Other assets				0
Accounts payable and accrued liabilities				0
Gain on divestiture				0
Net cash (used in) provided by operating activities, discontinued operations				(326)
Proceeds from divestiture				0
Provision for income taxes				0
Net cash provided by investing activities, discontinued operations				0
Net increase (decrease) in cash and cash equivalents, discontinued operations				$ (326)