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Business Combination - Additional Information (Detail) |  |  |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 14, 2017 USD ($) | Jul. 01, 2017 USD ($) $ / shares shares | Jan. 20, 2017 USD ($) | Jan. 01, 2017 | Apr. 14, 2016 USD ($) shares | Apr. 14, 2016 SEK (kr) shares | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) | Jul. 05, 2017 USD ($) | Apr. 14, 2016 kr / shares
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business acquisition deferred payment consideration |  |  |  |  |  |  | $ 0 | $ 1,018,000 |  |
Allenex [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of share acquired |  |  |  |  | 98.30% |  |  |  |  |
Total purchase price combination of cash and common stock |  |  |  |  | $ 34,100,000 |  |  |  |  |
Cash distribution to acquire business, gross |  |  |  |  | $ 26,900,000 |  | $ 692,000 | 0 |  |
Common stock, shares issue | shares |  |  |  |  | 1,375,029 | 1,375,029 |  |  |  |
Common stock value |  |  |  |  | $ 7,200,000 |  |  |  |  |
Business acquisition deferred payment consideration |  |  |  |  | $ 5,700,000 | kr 50,620,000 |  |  |  |
Business acquisition deferred payment date |  |  |  |  | Mar. 31, 2017 | Mar. 31, 2017 |  |  |  |
Escrow Deposit |  |  |  |  |  |  |  |  | $ 8,000,000 |
Deferred obligation |  | $ 6,300,000 |  |  |  |  |  |  |  |
Business acquisition deferred payment extended date |  |  |  |  |  |  | Jul. 01, 2017 |  |  |
Conversion of deferred obligation into shares |  | $ 1,100,000 |  |  |  |  |  |  |  |
Shares issued upon conversion | shares |  | 1,022,544 |  |  |  |  |  |  |  |
Conversion into common stock per share price | $ / shares |  | $ 1.12 |  |  |  |  |  |  |  |
Portion of deferred obligation considered for extended maturity date |  | $ 2,900,000 |  |  |  |  |  |  |  |
Additional repayment amount of deferred obligation |  | $ 2,100,000 |  |  |  |  |  |  |  |
Payable date of deferred obligation additional repayment amount |  | Dec. 31, 2017 |  |  |  |  |  |  |  |
Percentage of accruing interest |  | 10.00% |  |  |  |  |  |  |  |
Percentage of non controlling interest |  |  |  |  | 1.70% |  |  |  |  |
Price per share of Allenex used to determine fair value of non controlling interest | kr / shares |  |  |  |  |  |  |  |  |  | kr 2.48
Allenex [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business acquisition deferred payment extended date |  | Mar. 31, 2019 |  |  |  |  |  |  |  |
Allenex [Member] | Former Majority Shareholders [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business acquisition deferred payment consideration |  | $ 500,000 |  |  |  |  |  |  |  |
Percentage of accruing interest |  |  |  | 10.00% |  |  |  |  |  |
Reduction in deferred obligation |  | $ 500,000 |  |  |  |  |  |  |  |
Allenex [Member] | Former Majority Shareholders [Member] | Conditional Share Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred purchase consideration including accrued interest paid | $ 4,700,000 |  |  |  |  |  |  |  |  |
Conexio [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash distribution to acquire business, gross |  |  | $ 400,000 |  |  |  |  |  |  |
Acquisition related quarterly payments, percentage on gross revenue |  |  | 20.00% |  |  |  |  |  |  |
Periodic quarterly payments on gross revenue |  |  |  |  |  |  |  | $ 0 |  |
Conexio [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition related quarterly payments on gross revenue |  |  | $ 700,000 |  |  |  |  |  |  |
Periodic quarterly payments on gross revenue |  |  |  |  |  |  | $ 100,000 |  |  |

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