Stockholder's Equity (Details Narrative) - shares	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Stock repurchase program, remaining number of shares authorized to be repurchased	602,467
Common Stock
Issuance of common stock upon exercise of stock options & RSU releases (in shares) (in thousands)	689	0
Issuance of common stock under employee stock purchase plan (in shares) (in thousands)	0	0

Number of share options (or share units) exercised during the current period.

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