Note 12 - Debt	12 Months Ended
Dec. 31, 2019
Notes to Financial Statements
Debt Disclosure [Text Block]	NOTE 12—DEBT Loan and Security Agreement On May 30, 2018, the Company and Wells Fargo Bank, N.A. (“Wells Fargo”) entered into a Loan and Security Agreement (the “Original Revolving Line of Credit”) in the original principal amount of $25 million. The Original Revolving Line of Credit terminates on May 30, 2021. Covenants The Original Revolving Line of Credit contained financial and other covenants as well as the maintenance of a leverage ratio not to exceed 2.5 to 1.0 and a Trailing Twelve Month ("TTM") adjusted EBITDA of not less than $10 million. A violation of any of the covenants could result in a default under the Original Revolving Line of Credit that would permit the lenders to restrict the Company’s ability to further access the revolving line of credit for loans and letters of credit and require the immediate repayment of any outstanding loans under the Loan and Security Agreement. During the third quarter of 2018, the Company received notice that it was in violation of certain financial covenants in the Original Revolving Line of Credit and entered into discussions with Wells Fargo to amend and revise certain terms of the Original Revolving Line of Credit. On or about November 2, 2018, the Company entered into a First Amendment and Waiver to the Loan and Security Agreement with Wells Fargo (the “First Amended Revolving Line of Credit”). The First Amended Revolving Line of Credit provided for a principal amount of $15 million, with the ability to request an additional $10 million, and a waiver of any existing defaults under the Original Revolving Line of Credit as long as the Company is in compliance with the terms of the First Amended Revolving Line of Credit. On or about March 11, 2019, the Company entered into a Second Amendment and Waiver to the Loan and Security Agreement with Wells Fargo (the “Second Amended Revolving Line of Credit”). The Second Amended Revolving Line of Credit requires the Company to maintain a minimum cash balance of $15 million at Wells Fargo, but removes all other covenants so long as no money is drawn on the line of credit. The Company may draw down on the line of credit at the time it reaches and maintains TTM adjusted EBITDA of not less than $10 million, and a leverage ratio not to exceed 2.5 to 1.0. A violation of any of the covenants could result in a default under the Second Amended Revolving Line of Credit that would permit the lenders to restrict the Company’s ability to further access the revolving line of credit for loans and letters of credit and require the immediate repayment of any outstanding loans under the Second Amended Revolving Line of Credit. As of December 31, 2019, the Company had not drawn on the Original Revolving Line of Credit and the Company is in compliance with all financial covenants of the Original Revolving Line of Credit, as amended by the First Amended Revolving Line of Credit and the Second Amended Revolving Line of Credit.

NOTE

12—DEBT

Loan and Security Agreement

May 30, 2018,

the Company and Wells Fargo Bank, N.A. (“Wells Fargo”) entered into a Loan and Security Agreement (the “Original Revolving Line of Credit”) in the original principal amount of

$25

million. The Original Revolving Line of Credit terminates on

May 30, 2021.

Covenants

The Original Revolving Line of Credit contained financial and other covenants as well as the maintenance of a leverage ratio

not

to exceed

2.5

1.0

and a Trailing Twelve Month ("TTM") adjusted EBITDA of

not

less than

$10

million. A violation of any of the covenants could result in a default under the Original Revolving Line of Credit that would permit the lenders to restrict the Company’s ability to further access the revolving line of credit for loans and letters of credit and require the immediate repayment of any outstanding loans under the Loan and Security Agreement.

During the

third

quarter of

2018,

the Company received notice that it was in violation of certain financial covenants in the Original Revolving Line of Credit and entered into discussions with Wells Fargo to amend and revise certain terms of the Original Revolving Line of Credit.

On or about

November 2, 2018,

the Company entered into a First Amendment and Waiver to the Loan and Security Agreement with Wells Fargo (the “First Amended Revolving Line of Credit”). The First Amended Revolving Line of Credit provided for a principal amount of

$15

million, with the ability to request an additional

$10

million, and a waiver of any existing defaults under the Original Revolving Line of Credit as long as the Company is in compliance with the terms of the First Amended Revolving Line of Credit.

On or about

March 11, 2019,

the Company entered into a Second Amendment and Waiver to the Loan and Security Agreement with Wells Fargo (the “Second Amended Revolving Line of Credit”). The Second Amended Revolving Line of Credit requires the Company to maintain a minimum cash balance of

$15

million at Wells Fargo, but removes all other covenants so long as

money is drawn on the line of credit. The Company

may

draw down on the line of credit at the time it reaches and maintains TTM adjusted EBITDA of

not

less than

$10

million, and a leverage ratio

not

to exceed

2.5

1.0.

A violation of any of the covenants could result in a default under the Second Amended Revolving Line of Credit that would permit the lenders to restrict the Company’s ability to further access the revolving line of credit for loans and letters of credit and require the immediate repayment of any outstanding loans under the Second Amended Revolving Line of Credit.

As of

December 31, 2019,

the Company had

not

drawn on the Original Revolving Line of Credit and the Company is in compliance with all financial covenants of the Original Revolving Line of Credit, as amended by the First Amended Revolving Line of Credit and the Second Amended Revolving Line of Credit.