Note 3 - Significant Transactions (Details Textual)	Jan. 31, 2020	Feb. 16, 2017 USD ($) ft²	Mar. 10, 2016 USD ($) $ / shares shares	Dec. 06, 2013	Jan. 31, 2012	Mar. 31, 2020	Jan. 23, 2020 USD ($) ft²	Oct. 26, 2016 USD ($) $ / shares shares
Area of Land (Square Foot) | ft²		41,000
Lessee, Operating Lease, Term of Contract (Month)						5 years 60 days
Liquidmetal Golf [Member]
Noncontrolling Interest, Ownership Percentage by Parent					79.00%
Warrants in Connection with the 2016 Purchase Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)			10,066,809
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares								$ 0.07
Warrants and Rights Outstanding, Term (Year)								10 years
Warrants in Connection with the 2016 Purchase Agreement [Member] | Vest on March 10, 2016 [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)			2,609,913
Warrants in Connection with the 2016 Purchase Agreement [Member] | Vest on October 26, 2016 [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)								7,456,896
The 2016 Purchase Agreement [Member]
Common Stock Purchase Agreement, Number of Shares Authorized to Issue and Sell to Investors (in shares)			405,000,000
Common Stock Purchase Agreement, Value of Shares Authorized to Issue and Sell to Investors | $			$ 63,400,000
Stock Issued During Period, Shares, New Issues (in shares)			105,000,000
Stock Issued During Period, Value, New Issues | $			$ 8,400,000
Sale of Stock, Price Per Share (in dollars per share) | $ / shares			$ 0.08
Common Stock Purchase Agreement, Purchase Price per Share, After Satisfaction of Certain Conditions (in dollars per share) | $ / shares								$ 0.15
Common Stock Purchase Agreement, the Other Purchase Price per Share, No Later than 90 Days after Satisfaction of Certain Conditions (in dollars per share) | $ / shares								$ 0.25
Common Stock Purchase Agreement, Value of Shares Authorized to Be Purchased No Later than 90 Days after Satisfaction of Certain Conditions | $								$ 55,000,000
The 2016 Purchase Agreement [Member] | Common Stock, Purchase Price per Share of $0.15 [Member]
Common Stock Purchase Agreement, Remaining Number of Shares to be Purchased, After the Satisfaction of Certain Conditions (in shares)								200,000,000
The 2016 Purchase Agreement [Member] | Common Stock, Purchase Price per Share of $0.25 [ Member]
Common Stock Purchase Agreement, Remaining Number of Shares to be Purchased, After the Satisfaction of Certain Conditions (in shares)								100,000,000
Light Industrial and Office Building [Member]
Area of Real Estate Property (Square Foot) | ft²							32,534
Lessee, Operating Lease, Term of Contract (Month)							5 years 60 days
Lessee, Operating Lease Payable, Per Month Initially | $							$ 32,534
Lessee, Operating Lease Payable, Per Month Maximum | $							$ 54,000
Percentage of Common Operating Expresses							79.00%
Lessee, Operating Lease, Extend Term of Contract (Month)							5 years
Valencia Circle, LLC [Member]
Payments to Acquire Buildings | $		$ 7,818,000
Eutectix [Member]
Business Development Agreement, Royalty Percentage	6.00%
Business Development Agreement, Term (Year)	5 years
Engel [Member]
Supply and License Agreement, Term (Year)					5 years
Exclusive License Agreement, Term (Year)				10 years