BUSINESS COMBINATIONS (Details) - USD ($)							3 Months Ended		12 Months Ended
	Mar. 10, 2017	Sep. 22, 2016	Jul. 29, 2016	Jul. 22, 2016	Jul. 02, 2016	Nov. 20, 2015	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Feb. 28, 2018	Mar. 20, 2017
Business Acquisition [Line Items]
Earn-out payments to be paid							$ 14,701,659
Acquisition payments in 2016							1,069,259	$ 55,687
Business Combination, Assets and Liabilities Assumed [Abstract]
Goodwill							21,898,323		$ 21,898,323
Cash [Member]
Business Acquisition [Line Items]
Earn-out payments to be paid							3,430,659
Stock [Member]
Business Acquisition [Line Items]
Earn-out payments to be paid							11,271,000
Earn-out [Member]
Business Acquisition [Line Items]
Earn-out payments to be paid							$ 1,493,322
Moneta Note [Member]
Business Acquisition [Line Items]
Unsecured promissory notes, percentage of interest rate											6.00%
Earn-out payments to be paid										$ 500,000
Maturity date							Aug. 31, 2018
Ameri Georgia [Member]
Business Acquisition [Line Items]
Consideration of acquisition						$ 9,900,000
Period of capitalized intangible asset							3 years
Business Combination, Assets and Liabilities Assumed [Abstract]
Intangible Assets						1,800,000
Goodwill						3,500,000
Current Assets [Abstract]
Cash						1,400,000
Accounts Receivable						5,600,000
Other Assets						200,000
Current Assets, Total						7,300,000
Current Liabilities [Abstract]
Accounts Payable						1,300,000
Accrued Expenses & Other Current Liabilities						1,300,000
Current Liabilities, Total						2,700,000
Net Working Capital Acquired						4,600,000
Total Purchase Price						$ 9,900,000
Bigtech Software Private Limited [Member]
Business Acquisition [Line Items]
Consideration of acquisition					$ 850,000
Business acquisition, cash payment at closing		$ 340,000
Warrants purchase (in shares)					51,000
Warrants purchase period							2 years
Commission to be paid in cash					$ 255,000
Membership interest acquired					100.00%
Value of common stock					$ 250,000
Price per share (in dollars per share)					$ 6.51
Business Combination, Assets and Liabilities Assumed [Abstract]
Intangible Assets					$ 600,000
Goodwill					300,000
Current Assets [Abstract]
Cash					0
Accounts Receivable					0
Other Assets					0
Current Assets, Total					0
Current Liabilities [Abstract]
Accounts Payable					0
Accrued Expenses & Other Current Liabilities					0
Current Liabilities, Total					0
Net Working Capital Acquired					0
Total Purchase Price					$ 900,000
Virtuoso [Member]
Business Acquisition [Line Items]
Consideration of acquisition				$ 1,800,000
Acquisition payments in 2016									$ 60,000
Stock earn-out payments to be paid (in shares)									12,408
Period of capitalized intangible asset							3 years
Business Combination, Assets and Liabilities Assumed [Abstract]
Intangible Assets				900,000
Goodwill				900,000
Current Assets [Abstract]
Cash				0
Accounts Receivable				0
Other Assets				0
Current Assets, Total				0
Current Liabilities [Abstract]
Accounts Payable				0
Accrued Expenses & Other Current Liabilities				0
Current Liabilities, Total				0
Net Working Capital Acquired				0
Total Purchase Price				$ 1,800,000
Ameri Arizona [Member]
Business Acquisition [Line Items]
Consideration of acquisition			$ 15,800,000
Business acquisition, cash payment at closing			$ 3,000,000				$ 1,344,000
Common stock, shares issued at closing (in shares)			1,600,000
Commission to be paid in cash							$ 700,000
Membership interest acquired			100.00%
Stock earn-out payments to be paid (in shares)							560,000
Period of capitalized intangible asset							3 years
Value of common stock			$ 10,400,000
Price per share (in dollars per share)			$ 6.51				$ 2.40
Business Combination, Assets and Liabilities Assumed [Abstract]
Intangible Assets			$ 5,400,000
Goodwill			10,400,000
Current Assets [Abstract]
Cash			0
Accounts Receivable			0
Other Assets			0
Current Assets, Total			0
Current Liabilities [Abstract]
Accounts Payable			0
Accrued Expenses & Other Current Liabilities			0
Current Liabilities, Total			0
Net Working Capital Acquired			0
Total Purchase Price			15,800,000
Ameri Arizona [Member] | Cash [Member]
Business Acquisition [Line Items]
Earn-out payments to be paid			$ 1,500,000
Ameri California [Member]
Business Acquisition [Line Items]
Consideration of acquisition	$ 8.8
Business acquisition, cash payment at closing	$ 60,000								$ 200,000
Common stock, shares issued at closing (in shares)	576,923
Membership interest acquired	100.00%
Unsecured promissory notes	$ 3,750,000
Unsecured promissory notes, percentage of interest rate	6.00%
Period of capitalized intangible asset							3 years
Value of common stock	$ 3,800,000
Maturity date							Jun. 30, 2018
Business Combination, Assets and Liabilities Assumed [Abstract]
Intangible Assets	3,800,000
Goodwill	5,000,000
Current Assets [Abstract]
Cash	0
Accounts Receivable	0
Other Assets	0
Current Assets, Total	0
Current Liabilities [Abstract]
Accounts Payable	0
Accrued Expenses & Other Current Liabilities	0
Current Liabilities, Total	0
Net Working Capital Acquired	0
Total Purchase Price	8,800,000
Ameri California [Member] | Stock [Member]
Business Acquisition [Line Items]
Earn-out payments to be paid	$ 1,200,000