Note 11 - Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Shares			Weighted Average Exercise Price		Weighted-Average Remaining Contractual Term (in yrs)
Outstanding as of December 31, 2018		2,868,947			5.35
Granted		118,266			7.23
Exercised		(318,548	)		4.15
Forfeited		(40,000	)		7.18
Outstanding as of December 31, 2019		2,628,665			5.55		5.11
Vested and exercisable as of December 31, 2019		2,288,000			5.36		4.60

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	January 01, 2019 to December 31, 2019			From July 21, 2018 to December 31, 2018
Risk-free interest rate		1.65% - 2.66%			3.09	%
Dividend yield		-	%		-	%
Expected volatility		48.66% - 56.91%			61.92	%
Expected life in years		10			10

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

	January 01, 2019 to December 31, 2019			From July 21, 2018 to December 31, 2018
Risk-free interest rate		1.54% - 2.49%			2.66% - 2.87%
Dividend yield		-	%		-	%
Expected volatility		36.73% - 53.11%			56.91% - 61.92%
Expected life in years		3 months			3 months

Defined Contribution Plan Disclosures [Table Text Block]

Particulars	Year Ended December 31, 2019		Nine months ended December 31, 2018
Contribution to defined contribution plans		14,230		10,125

Schedule of Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Table Text Block]

Particulars	December 31, 2019		December 31, 2018
(a) Liability recognized in consolidated balance sheet
Liability at the end of the year		13,888		12,382
(b) Current/Non current liability
Current liability		4,123		2,957
Non current liability		9,765		9,425