7. Stockholders' Equity (Details Narrative) - USD ($) $ in Thousands	Aug. 05, 2019	Feb. 28, 2018
Stock Repurchase Program [Member]
Value of shares authorized for repurchase	$ 10,000,000	$ 20,000,000

Amount remaining of a stock repurchase plan authorized.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant