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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2016 | Feb. 01, 2016 | Mar. 31, 2016 | Mar. 31, 2016
Class of Stock [Line Items] |  |  |  |
Proceeds from issuance of common stock, gross | $ 3.5 |  |  |
Proceeds from issuance of common stock, net of issuance costs |  |  | $ 3.0 |
Common stock issued during period (in shares) | 10,000,000 |  |  |
Price per share (in dollars per share) | $ 0.35 |  | $ 0.35 | $ 0.35
Additional common stock issuance costs |  |  |  | $ (0.1)
Stock issued during period for purchase of assets (in shares) |  |  |  | 3,000,000
Capital Lease Obligations | Lease Obligation (Varilease) |  |  |  |
Class of Stock [Line Items] |  |  |  |
Shares of common stock issued to noteholder as payment on long-term debt |  | 2,250,000 |  | 2,250,000

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