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Liquidity (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014 | Jun. 23, 2015 | May. 20, 2015 | Feb. 18, 2015
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |  |  |  |  |
Net loss | $ (2,288,000) | $ (728,000) | $ (4,221,000) | $ (1,546,000) | $ (3,799,000) |  |  |
Cash flow from operations |  |  | (1,938,000) | $ (1,058,000) | $ (3,719,000) |  |  |
Convertible preferred stock and warrants issued |  |  | 265 |  |  |  |  |
Convertible promissory note, principal amount | $ 585,000 |  | 585,000 |  |  | $ 400,000 | $ 465,000 |
Net proceed from debt, preferred stock and warrants |  |  | $ 2,130,000 |  |  |  |  |
Mill City Ventures III, Ltd. [Member] |  |  |  |  |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |  |  |  |  |
Convertible promissory note, principal amount |  |  |  |  |  |  |  | $ 1,000,000

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