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1. Summary of Significant Accounting Policies (Details Narrative) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Accounting Policies [Abstract]
Mark to market value of pool of receivables	$ 604		$ 604
Stock based compensation costs	377	$ 663	1,496	$ 2,816
Unrecognized stock-based compensation costs	2,100		$ 2,100
Unrecognized stock-based compensation costs amortization period			2 years 3 months 19 days
Aggregate intrinsic value outstanding	5,800		$ 5,800
Aggregate intrinsic value exercisable	$ 5,500		$ 5,500
Options Exercised			483	315
Total intrinsic value of options exercised			$ 1,400	$ 869
Shares available for future grants	1,458		1,458
Weighted Average Discount Rate Operating lease	5.00%		5.00%
Weighted Average Discount Rate Finance lease	6.70%		6.70%

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Market value of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Weighted average discount rate for finance lease calculated at point in time.

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