Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies - Cumulative Effect of Adjustments for New Accounting Pronouncements on Consolidated Balance Sheet (Details)

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Note 2 - Summary of Significant Accounting Policies - Cumulative Effect of Adjustments for New Accounting Pronouncements on Consolidated Balance Sheet (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Other assets $ 195 $ 526 $ 800 $ 171
Total assets 16,630 26,977 47,463 46,834
Total accrued liabilities 2,416 4,698 6,996 6,766
Total current liabilities 4,215 6,306 10,990 10,760
Other noncurrent liabilities 498 167 1,033 634
Total liabilities 9,656 10,456 42,551 41,922
Total liabilities and stockholders' equity $ 16,630 $ 26,977 47,463 $ 46,834
Accounting Standards Update 2016-02 [Member]        
Other assets [1]     629  
Total assets [1]     629  
Total accrued liabilities [2]     230  
Total current liabilities [2]     230  
Other noncurrent liabilities [2]     399  
Total liabilities [2]     629  
Total liabilities and stockholders' equity [2]     $ 629  
[1] Represents capitalization of operating lease right-of-use assets and reclassification of deferred rent.
[2] Represents recognition of operating lease liabilities.