Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

Note 2 - Summary of Significant Accounting Policies (Tables) [Line Items]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

An analysis of the allowance for doubtful accounts is as follows:

Balance at January 1, 2019	$	224,795
Reversal – recoveries by cash		(169,432	)
Balance at March 31, 2019	$	55,363

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

A reconciliation of the January 1, 2019 through March 31, 2019, the amount of unrecognized tax benefits excluding interest and penalties (“Gross UTB”) is as follows:

	Gross UTB 2019

Balance – January 1, 2019	$	722,054
Decrease in unrecorded tax benefits taken		(41	)
Balance – March 31, 2019		722,013

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents a reconciliation of basic and diluted (loss) income per share for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018

Net (Loss) Income	$	(147,531	)	$	1,655,021

Weighted average shares outstanding – basic*		28,662,557			28,253,115
Dilutive stock options and unvested restricted stock		-			440,364
Weighted average shares outstanding – diluted		28,662,557			28,693,479

Net (loss) income per share of common stock
Basic	$	(0.01	)	$	0.06
Diluted	$	(0.01	)	$	0.06

* Including 889,967 and 821,534 shares that were granted and vested but not yet issued for the three months ended March 31, 2019 and 2018, respectively.

Property Plant and Equipment Estimated Useful Lives [Member]

Note 2 - Summary of Significant Accounting Policies (Tables) [Line Items]

Property, Plant and Equipment [Table Text Block]

Depreciation of property and equipment is provided using the straight-line method for substantially all assets with no salvage value and estimated lives as follows:

Computer and office equipment	5 years
Decoration and renovation	10 years