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Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2018
Jun. 30, 2020
Jun. 30, 2020
Dec. 31, 2019
Summary of Significant Accounting Policies (Textual)        
Repurchase of common stock $ 3,000      
Stock repurchase plan expire date Nov. 19, 2021      
Warranty term     90 days  
warranty reserve   $ 1,000 $ 1,000 $ 3,000
Research and development costs    
Outstanding exercisable shares   19,500 19,500 32,126
Consumable assets the amount   $ 76,000 $ 151,000  
property and equipment     $ 529,000  
Malaysia [Member]        
Summary of Significant Accounting Policies (Textual)        
Description sale price     The Company completed the sale of its Malaysian facility for a sale price of Ringgit Malaysia 20,750,000. The Company realized net proceeds of approximately Ringgit Malaysia 20,364,000 (approximately $4.8 million based on the exchange rate on June 30, 2020 of $1=MYR4.27) after the payment of consent fees, real estate taxes, brokerage and legal fees, transfer and other expenses. The Company recorded a gain on the disposal of the Malaysian facility of approximately $1.8 million.