Subsequent Events (Details)
$ / shares in Units, $ in Thousands |
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3 Months Ended |
12 Months Ended |
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Jun. 05, 2018
USD ($)
payment
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Apr. 13, 2018
$ / shares
shares
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Oct. 13, 2017
USD ($)
payment
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Mar. 31, 2018
USD ($)
shares
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Mar. 31, 2018
USD ($)
shares
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Mar. 31, 2017
USD ($)
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Oct. 26, 2017
$ / shares
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Aug. 31, 2017
$ / shares
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Oct. 18, 2016
$ / shares
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Apr. 19, 2016
$ / shares
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Mar. 31, 2015
USD ($)
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| Subsequent Event Items |
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| Common stock sold (in shares) | shares |
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6,700,000
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16,000,000
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| Bad debt recovery |
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$ 1,099
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$ 1,525
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| Subsequent event |
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| Subsequent Event Items |
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| Common stock sold (in shares) | shares |
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3,806,243
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| BPC |
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| Subsequent Event Items |
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| Accounts receivable |
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$ 5,300
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5,300
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$ 8,100
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| BPC | Subsequent event |
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| Subsequent Event Items |
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| Number of payments to be received | payment |
5
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| Accounts receivable |
$ 1,500
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| Turbine International, LLC. and MTE Service |
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| Subsequent Event Items |
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| Proceeds from sale of distribution rights |
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$ 6,300
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| Turbine International, LLC. and MTE Service | Accounts Receivable Agreement |
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| Subsequent Event Items |
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| Total consideration receivable |
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$ 2,500
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| Number of payments to be received | payment |
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3
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| Bad debt recovery |
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$ 300
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$ 1,000
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| Turbine International, LLC. and MTE Service | Promissory Note Agreement |
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| Subsequent Event Items |
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| Total consideration receivable |
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$ 3,800
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| Term of payments |
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3 years
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| Number of payments to be received | payment |
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35
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| Turbine International, LLC. and MTE Service | Amended Promissory Note Agreement | Subsequent event |
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| Subsequent Event Items |
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| Total consideration receivable |
$ 3,800
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| Term of payments |
3 years
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| Number of payments to be received | payment |
13
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| Series A Warrants |
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| Subsequent Event Items |
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| Exercise price (in dollars per share) | $ / shares |
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$ 0.90
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$ 0.60
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$ 1.34
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$ 3.50
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| Series A Warrants | Subsequent event |
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| Subsequent Event Items |
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| Warrants exercised (in shares) | shares |
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5,760,000
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| Exercise price (in dollars per share) | $ / shares |
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$ 0.60
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