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NOTE, WARRANT, & COMMON STOCK PURCHASE AGREEMENT | 12 Months Ended
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Dec. 31, 2015
Note, Warrant And Common Stock Purchase Agreement [Abstract] |
Note, Warrant And Common Stock Purchase Agreement [Text Block] | Note 13 – Note, Warrant, & Common Stock Purchase Agreement The Company entered into a common stock purchase agreement (the “Purchase Agreement”) with three members of the Company’s Board of Directors, to sell, in a private offering, an aggregate of 650,000 shares of the Company’s common stock, no par value, for gross proceeds of approximately $1,600,000. The private offering closed on June 12, 2014. The Shares are restricted securities and may not be offered or sold absent registration under the Securities Act of 1933. Pursuant to the terms of the Purchase Agreement, the Company has agreed to provide demand registration rights with respect to the Shares, with certain limited exceptions. The Company filed its Form S-3 registration statement on May 29, 2015. Pursuant to the terms of the Purchase Agreement, the Company has also granted the Investors a one-year preemptive right to participate pro rata in future issuances of the Company’s common stock. In October 2014, the Company entered into a Note and Warrant Purchase Agreement (the “Note and Warrant Purchase Agreement”) with four members of the Company’s Board of Directors to issue an aggregate of $1,000,000 in principal amount of promissory notes (the “Notes”) and warrants (the “Warrants”) to purchase an aggregate of 200,000 shares of the common stock, no par value (the “Common Stock”), of the Company (the “Notes and Warrants Offering”). The Notes will bear interest at a rate of 15.0% per annum and mature October 22, 2017. Interest only payments are due monthly with the option to prepay the outstanding principal on or after December 31, 2015. The Company is required to prepay the outstanding principal within five days of the next milestone payment to Mevion, if that occurs before the maturity date. The Warrants expire three years after their initial issuance date and may be exercised for a purchase price equal to $2.20 per share of Common Stock, the closing price per share of the Company’s Common Stock on the New York Stock Exchange MKT on the date preceding the date of the Note and Warrant Purchase Agreement. The Company, upon funding of its milestone payment to Mevion, paid-off the Notes in February 2016. Concurrently with the Note and Warrant Purchase Agreement, the Company entered into a common stock purchase agreement (the “Common Stock Purchase Agreement”) with one member of the Company’s Board of Directors to sell, in a private offering, 100,000 shares of the Company’s Common Stock (the “Private Placement Shares”), for gross proceeds of $220,000 (the “Common Stock Offering” and, together with the Notes and Warrants Offering, the “Private Offering”). The Common Stock Purchase Agreement contains terms and conditions that are customary for a transaction of this type. The Company received gross proceeds of $1,220,000 in the Private Offering, which were used, together with cash on hand, to make two payments of $1,000,000 each to Mevion as deposits pursuant to the terms of purchase commitments with Mevion.

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