Summary of Significant Accounting Policies (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Total revenue	$ 33,363,282	$ 30,916,549	$ 86,997,845	$ 81,098,161
Retail Store [Member]
Disaggregation of Revenue [Line Items]
Total revenue	21,575,966	20,867,249	56,312,227	54,971,889
Retail Store [Member] | Prescription Drugs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	7,496,469	6,756,073	19,214,689	17,835,700
Retail Store [Member] | OTC drugs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	10,260,883	9,393,148	24,964,312	24,018,263
Retail Store [Member] | Nutritional supplements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,602,407	1,869,351	4,510,514	4,750,013
Retail Store [Member] | Traditional Chinese Medicine [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,416,126	1,342,768	4,474,676	4,615,033
Retail Store [Member] | Sundry products [Member]
Disaggregation of Revenue [Line Items]
Total revenue	188,484	248,729	777,432	799,554
Retail Store [Member] | Medical devices [Member]
Disaggregation of Revenue [Line Items]
Total revenue	611,597	1,257,180	2,370,604	2,953,326
Online Pharmacy [Member]
Disaggregation of Revenue [Line Items]
Total revenue	3,965,023	2,493,206	8,759,892	6,637,922
Online Pharmacy [Member] | Prescription Drugs [Member]
Disaggregation of Revenue [Line Items]
Total revenue
Online Pharmacy [Member] | OTC drugs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,981,871	837,126	4,133,128	2,412,057
Online Pharmacy [Member] | Nutritional supplements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	245,249	220,776	488,956	575,862
Online Pharmacy [Member] | Traditional Chinese Medicine [Member]
Disaggregation of Revenue [Line Items]
Total revenue	42,331	28,785	77,981	54,417
Online Pharmacy [Member] | Sundry products [Member]
Disaggregation of Revenue [Line Items]
Total revenue	729,179	573,993	1,542,372	2,128,282
Online Pharmacy [Member] | Medical devices [Member]
Disaggregation of Revenue [Line Items]
Total revenue	966,393	832,526	2,517,455	1,467,304
Drug Wholesale [Member]
Disaggregation of Revenue [Line Items]
Total revenue	7,822,293	7,556,094	21,925,726	19,488,350
Drug Wholesale [Member] | Prescription Drugs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	6,358,031	3,933,441	18,054,557	11,708,683
Drug Wholesale [Member] | OTC drugs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,310,927	3,341,676	3,433,730	7,246,356
Drug Wholesale [Member] | Nutritional supplements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	47,736	167,069	104,475	240,666
Drug Wholesale [Member] | Traditional Chinese Medicine [Member]
Disaggregation of Revenue [Line Items]
Total revenue	67,507	77,216	247,465	156,525
Drug Wholesale [Member] | Sundry products [Member]
Disaggregation of Revenue [Line Items]
Total revenue	19,789	5,949	30,809	21,479
Drug Wholesale [Member] | Medical devices [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 18,303	$ 30,743	$ 54,690	$ 114,641