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13. STOCK-BASED COMPENSATION (Details 1) - $ / shares	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Share-based Compensation [Abstract]
Outstanding	2,260,500	2,518,000
Range of Exercise Prices, Lower Limit	$ 0.71
Range of Exercise Prices, Upper Limit	$ 4.80
Weighted Average Remaining Contractual Life (Years)	3 years 1 month 20 days

X

- Definition

Share Based Compensation Options Outstanding Exercise Price Range Lower Range Limit

+ References

No definition available.

+ Details

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- Definition

Share Based Compensation Options Outstanding Exercise Price Range Upper Range Limit

+ References

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- References

No definition available.

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X

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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