| Summarized financial information | 
 Summarized financial information concerning
the Company's reportable segments is shown in the following tables. Total asset amounts at March 31, 2016 and 2015 exclude intercompany
receivable balances eliminated in consolidation. 
  
    |   | 
      | 
    3 Months Ended March 31, 2016 | 
      | 
 
    |   | 
      | 
    Hydroponic | 
      | 
      | 
    Cannabis | 
      | 
      | 
    Eliminations | 
      | 
      | 
      | 
      | 
 
    |   | 
      | 
    Produce | 
      | 
      | 
    Products | 
      | 
      | 
    and Other | 
      | 
      | 
    Total | 
      | 
 
    | Total Revenues | 
      | 
    $ | 
    1,401,443 | 
      | 
      | 
    $ | 
    130,203 | 
      | 
      | 
    $ | 
    16,521 | 
      | 
      | 
    $ | 
    1,548,167 | 
      | 
 
    | Cost of Goods Sold | 
      | 
      | 
    1,200,932 | 
      | 
      | 
      | 
    213,261 | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    1,414,193 | 
      | 
 
    |   | 
      | 
      | 
    200,511 | 
      | 
      | 
      | 
    (83,058 | 
    ) | 
      | 
      | 
    16,521 | 
      | 
      | 
      | 
    133,974 | 
      | 
 
    | Selling, general and administrative expenses | 
      | 
      | 
    518,652 | 
      | 
      | 
      | 
    202,136 | 
      | 
      | 
      | 
    1,325,560 | 
      | 
      | 
      | 
    2,046,348 | 
      | 
 
    | Loss from operations | 
      | 
      | 
    (318,141 | 
    ) | 
      | 
      | 
    (285,194 | 
    ) | 
      | 
      | 
    (1,309,039 | 
    ) | 
      | 
      | 
    (1,912,374 | 
    ) | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Other Income (Expenses) | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Amortization of debt discount | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (94,406 | 
    ) | 
      | 
      | 
    (94,406 | 
    ) | 
 
    | Loss on extinguishment of debt | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (920,797 | 
    ) | 
      | 
      | 
    (920,797 | 
    ) | 
 
    | Gain (Loss) on fair market valuation of derivatives | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (1,160,700 | 
    ) | 
      | 
      | 
    (1,160,700 | 
    ) | 
 
    | Interest Income (Expense) | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (55,995 | 
    ) | 
      | 
      | 
    (55,995 | 
    ) | 
 
    | Total Other Income (Expense) | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (2,231,898 | 
    ) | 
      | 
      | 
    (2,231,898 | 
    ) | 
 
    | Loss before Provision of Income Taxes | 
      | 
    $ | 
    (318,141 | 
    ) | 
      | 
    $ | 
    (285,194 | 
    ) | 
      | 
    $ | 
    (3,540,937 | 
    ) | 
      | 
    $ | 
    (4,144,272 | 
    ) | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Total assets at March 31, 2016 | 
      | 
    $ | 
    6,667,866 | 
      | 
      | 
    $ | 
    2,734,868 | 
      | 
      | 
    $ | 
    2,750,386 | 
      | 
      | 
    $ | 
    12,153,120 | 
      | 
 
 
   
    |   | 
      | 
    3 Months Ended March 31, 2015 | 
      | 
 
    |   | 
      | 
    Hydroponic | 
      | 
      | 
    Cannabis | 
      | 
      | 
    Eliminations | 
      | 
      | 
      | 
      | 
 
    |   | 
      | 
    Produce | 
      | 
      | 
    Products | 
      | 
      | 
    and Other | 
      | 
      | 
    Total | 
      | 
 
    | Total Revenues | 
      | 
    $ | 
    458,773 | 
      | 
      | 
    $ | 
    304,025 | 
      | 
      | 
    $ | 
    555 | 
      | 
      | 
    $ | 
    763,353 | 
      | 
 
    | Cost of Goods Sold | 
      | 
      | 
    288,093 | 
      | 
      | 
      | 
    257,319 | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    545,412 | 
      | 
 
    |   | 
      | 
      | 
    170,680 | 
      | 
      | 
      | 
    46,706 | 
      | 
      | 
      | 
    555 | 
      | 
      | 
      | 
    217,941 | 
      | 
 
    | Selling, general and administrative expenses | 
      | 
      | 
    472,065 | 
      | 
      | 
      | 
    215,515 | 
      | 
      | 
      | 
    1,634,931 | 
      | 
      | 
      | 
    2,322,511 | 
      | 
 
    | Loss from operations | 
      | 
      | 
    (301,385 | 
    ) | 
      | 
      | 
    (168,809 | 
    ) | 
      | 
      | 
    (1,634,376 | 
    ) | 
      | 
      | 
    (2,104,570 | 
    ) | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Other Income (Expenses) | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Amortization of debt discount | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (41,126 | 
    ) | 
      | 
      | 
    (41,126 | 
    ) | 
 
    | Loss from derivatives issued with debt greater than debt carrying value | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (224,000 | 
    ) | 
      | 
      | 
    (224,000 | 
    ) | 
 
    | Gain (Loss) on fair market valuation of derivatives | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    408,200 | 
      | 
      | 
      | 
    408,200 | 
      | 
 
    | Interest Income (Expense) | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (188,529 | 
    ) | 
      | 
      | 
    (188,529 | 
    ) | 
 
    | Total Other Income (Expense) | 
      | 
      | 
    - | 
      | 
      | 
      | 
    - | 
      | 
      | 
      | 
    (45,455 | 
    ) | 
      | 
      | 
    (45,455 | 
    ) | 
 
    | Loss before Provision of Income Taxes | 
      | 
    $ | 
    (301,385 | 
    ) | 
      | 
    $ | 
    (168,809 | 
    ) | 
      | 
    $ | 
    (1,679,831 | 
    ) | 
      | 
    $ | 
    (2,150,025 | 
    ) | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Total assets at March 31, 2015 | 
      | 
    $ | 
    6,009,693 | 
      | 
      | 
    $ | 
    794,180 | 
      | 
      | 
    $ | 
    426,508 | 
      | 
      | 
    $ | 
    7,230,381 | 
      | 
 
 
 |