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Business Combinations - Summary of Foregoing Acquisitions (Details) - USD ($) | Mar. 10, 2017 | Jul. 29, 2016 | Jul. 22, 2016 | Jun. 23, 2016 | Nov. 20, 2015
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Ameri Georgia [Member] |  |  |  |  |
Intangible Assets |  |  |  |  | $ 1,800,000
Goodwill |  |  |  |  | 3,500,000
Cash |  |  |  |  | 1,400,000
Accounts Receivable |  |  |  |  | 5,600,000
Other Assets |  |  |  |  | 200,000
Current Assets, total |  |  |  |  | 7,300,000
Accounts Payable |  |  |  |  | 1,300,000
Accrued Expenses & Other Current Liabilities |  |  |  |  | 1,300,000
Current Assets, total |  |  |  |  | 2,700,000
Net Working Capital Acquired |  |  |  |  | 4,600,000
Total Purchase Price |  |  |  |  | $ 9,900,000
Bigtech Software Private Limited [Member] |  |  |  |  |
Intangible Assets |  |  |  | $ 600,000 |
Goodwill |  |  |  | 300,000 |
Cash |  |  |  |  |
Accounts Receivable |  |  |  |  |
Other Assets |  |  |  |  |
Current Assets, total |  |  |  |  |
Accounts Payable |  |  |  |  |
Accrued Expenses & Other Current Liabilities |  |  |  |  |
Current Assets, total |  |  |  |  |
Net Working Capital Acquired |  |  |  |  |
Total Purchase Price |  |  |  | $ 900,000 |
Virtuoso [Member] |  |  |  |  |
Intangible Assets |  |  | $ 900,000 |  |
Goodwill |  |  | 900,000 |  |
Cash |  |  |  |  |
Accounts Receivable |  |  |  |  |
Other Assets |  |  |  |  |
Current Assets, total |  |  |  |  |
Accounts Payable |  |  |  |  |
Accrued Expenses & Other Current Liabilities |  |  |  |  |
Current Assets, total |  |  |  |  |
Net Working Capital Acquired |  |  |  |  |
Total Purchase Price |  |  | $ 1,800,000 |  |
Ameri Arizona [Member] |  |  |  |  |
Intangible Assets |  | $ 5,400,000 |  |  |
Goodwill |  | 10,400,000 |  |  |
Cash |  |  |  |  |
Accounts Receivable |  |  |  |  |
Other Assets |  |  |  |  |
Current Assets, total |  |  |  |  |
Accounts Payable |  |  |  |  |
Accrued Expenses & Other Current Liabilities |  |  |  |  |
Current Assets, total |  |  |  |  |
Net Working Capital Acquired |  |  |  |  |
Total Purchase Price |  | $ 15,800,000 |  |  |
Ameri California [Member] |  |  |  |  |
Intangible Assets | $ 3,800,000 |  |  |  |
Goodwill | 5,000,000 |  |  |  |
Cash |  |  |  |  |
Accounts Receivable |  |  |  |  |
Other Assets |  |  |  |  |
Current Assets, total |  |  |  |  |
Accounts Payable |  |  |  |  |
Accrued Expenses & Other Current Liabilities |  |  |  |  |
Current Assets, total |  |  |  |  |
Net Working Capital Acquired |  |  |  |  |
Total Purchase Price | $ 8,800,000 |  |  |  |

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