Equity	12 Months Ended
Dec. 31, 2017
Equity [Abstract]
Equity	EQUITY Preferred Stock On September 29, 2017, the Company filed with the Secretary of State of the State of Minnesota a Statement of Designation of the Series B Stock (the “Statement of Designation”) creating the Series B Stock. The Statement of Designation authorizes the issuance of 160,000 shares of Series B Stock, having a par value of $0.001 per share and a stated value of $100.00 per share (subject to adjustment). Holders of Series B Stock are entitled to receive, when, as and if declared by the Board, cumulative preferential dividends, payable quarterly in cash at a rate per annum equal to 10.0% multiplied by the stated value; provided that the Company may pay dividends in-kind through the issuance of additional shares of Series B Stock at a rate per annum equal to 12.0% multiplied by the stated value, at the sole option of the Company, for up to four quarterly dividend periods in any consecutive 36-month period (determined on a rolling basis). In the event of any liquidation, dissolution or winding up of the affairs of the Company, whether voluntary or involuntary, before any payment or distribution to holders of junior shares, holders of Series B Stock will be entitled to receive an amount of cash per share of Series B Stock equal to the stated value plus all accumulated accrued and unpaid dividends thereon (whether or not earned or declared). Upon the occurrence of four accumulated, accrued and unpaid defaults by the Company of its obligation to pay dividends (either in cash or in-kind) on the Series B Stock in full for each quarterly dividend period, whether consecutive or non-consecutive, until the Company has paid all accumulated accrued and unpaid dividends in full and has paid accrued dividends for the two most recently completed quarterly dividend periods in full in a timely manner, (i) the dividend rate will increase to 12.0% per annum and (ii) the size of the Board will be increased by two directors and the holders of Series B Stock (together with the holders of any class of shares with similar rights) will have the right to elect two directors to the Board. The terms of such directors will terminate, and the size of the Board will decrease accordingly, once the voting rights terminate. Additionally, the Company is not permitted to take certain corporate actions without the approval of holders of at least 2/3 of the shares of Series B Stock (together with the holders of any class of shares with similar rights), including: (i) any amendment, alteration or repeal of any of the provisions of the Company’s Articles of Incorporation or the Statement of Designation that materially and adversely affects the rights, preferences or voting power of the Series B Stock; (ii) a statutory share exchange that affects the Series B Stock, or a merger or consolidation, unless each share of Series B Stock remains outstanding without material and adverse change to its terms, voting powers, preferences and rights, or is converted or exchanged into preferred shares with identical rights; (iii) authorize, reclassify, or create, or increase the authorized amount of, any shares senior to or on a parity with the Series B Stock, or any security convertible into or exchangeable for shares senior to or on a parity with the Series B Stock; and (iv) an increase to the size of the Board above five directors other than under the terms of the Statement of Designation. The Series B Stock does not vote together with the Company’s common stock or have any other voting rights except as set forth in the Statement of Designation. On December 4, 2017, the board of directors of the Company declared a 4-for-1 stock split (“Stock Split”) of the Company’s Series B Stock. Unless otherwise noted, all share and per-share data included in these consolidated financial statements with respect to the Series B Stock have been adjusted to give effect to the Stock Split. In addition, the number of shares subject to, and the exercise price of, the Company’s outstanding options were adjusted to reflect the Stock Split. Charter Amendments At the Company’s 2017 Annual Meeting of Shareholders held on December 4, 2017, shareholders approved amendments to its Amended and Restated Articles of Incorporation (the “Existing Charter”) to: (i)increase the number of authorized shares of the Company’s capital stock from 3,200,000 to 10,000,000, and make corresponding changes to the number of authorized shares of the Company’s common stock and preferred stock; (ii)effect a 4-for-1 forward stock split of the Series B Stock; and (iii)effect an extension to December 5, 2020 of the provisions of the Existing Charter designed to protect the tax benefits of the Company’s net operating loss carryforwards by generally restricting any direct or indirect transfers of the Company’s common stock that increase the direct or indirect ownership of the Company’s common stock by any Person (as defined in the Existing Charter) from less than 4.99% to 4.99% or more of the Company’s common stock, or increase the percentage of the Company’s common stock owned directly or indirectly by a Person owning or deemed to own 4.99% or more of the Company’s common stock (the “Extended Protective Amendment”). On December 4, 2017, the Company filed Articles of Amendment with the Office of the Secretary of State of the State of Minnesota to effect these amendments. As of December 31, 2017, there were approximately 7,500,000 authorized and 2,396,219 shares of common stock issued and outstanding, respectively, and 2,000,000 authorized and 546,466 shares of Series B Stock issued and outstanding, respectively.

EQUITY

Preferred Stock

On September 29, 2017, the Company filed with the Secretary of State of the State of Minnesota a Statement of Designation of the Series B Stock (the “Statement of Designation”) creating the Series B Stock. The Statement of Designation authorizes the issuance of 160,000 shares of Series B Stock, having a par value of $0.001 per share and a stated value of $100.00 per share (subject to adjustment). Holders of Series B Stock are entitled to receive, when, as and if declared by the Board, cumulative preferential dividends, payable quarterly in cash at a rate per annum equal to 10.0% multiplied by the stated value; provided that the Company may pay dividends in-kind through the issuance of additional shares of Series B Stock at a rate per annum equal to 12.0% multiplied by the stated value, at the sole option of the Company, for up to four quarterly dividend periods in any consecutive 36-month period (determined on a rolling basis).

In the event of any liquidation, dissolution or winding up of the affairs of the Company, whether voluntary or involuntary, before any payment or distribution to holders of junior shares, holders of Series B Stock will be entitled to receive an amount of cash per share of Series B Stock equal to the stated value plus all accumulated accrued and unpaid dividends thereon (whether or not earned or declared).

Upon the occurrence of four accumulated, accrued and unpaid defaults by the Company of its obligation to pay dividends (either in cash or in-kind) on the Series B Stock in full for each quarterly dividend period, whether consecutive or non-consecutive, until the Company has paid all accumulated accrued and unpaid dividends in full and has paid accrued dividends for the two most recently completed quarterly dividend periods in full in a timely manner, (i) the dividend rate will increase to 12.0% per annum and (ii) the size of the Board will be increased by two directors and the holders of Series B Stock (together with the holders of any class of shares with similar rights) will have the right to elect two directors to the Board. The terms of such directors will terminate, and the size of the Board will decrease accordingly, once the voting rights terminate.

Additionally, the Company is not permitted to take certain corporate actions without the approval of holders of at least 2/3 of the shares of Series B Stock (together with the holders of any class of shares with similar rights), including: (i) any amendment, alteration or repeal of any of the provisions of the Company’s Articles of Incorporation or the Statement of Designation that materially and adversely affects the rights, preferences or voting power of the Series B Stock; (ii) a statutory share exchange that affects the Series B Stock, or a merger or consolidation, unless each share of Series B Stock remains outstanding without material and adverse change to its terms, voting powers, preferences and rights, or is converted or exchanged into preferred shares with identical rights; (iii) authorize, reclassify, or create, or increase the authorized amount of, any shares senior to or on a parity with the Series B Stock, or any security convertible into or exchangeable for shares senior to or on a parity with the Series B Stock; and (iv) an increase to the size of the Board above five directors other than under the terms of the Statement of Designation. The Series B Stock does not vote together with the Company’s common stock or have any other voting rights except as set forth in the Statement of Designation.

On December 4, 2017, the board of directors of the Company declared a 4-for-1 stock split (“Stock Split”) of the Company’s Series B Stock. Unless otherwise noted, all share and per-share data included in these consolidated financial statements with respect to the Series B Stock have been adjusted to give effect to the Stock Split. In addition, the number of shares subject to, and the exercise price of, the Company’s outstanding options were adjusted to reflect the Stock Split.

Charter Amendments

At the Company’s 2017 Annual Meeting of Shareholders held on December 4, 2017, shareholders approved amendments to its Amended and Restated Articles of Incorporation (the “Existing Charter”) to:

(i)increase the number of authorized shares of the Company’s capital stock from 3,200,000 to 10,000,000, and make corresponding changes to the number of authorized shares of the Company’s common stock and preferred stock;

(ii)effect a 4-for-1 forward stock split of the Series B Stock; and

(iii)effect an extension to December 5, 2020 of the provisions of the Existing Charter designed to protect the tax benefits of the Company’s net operating loss carryforwards by generally restricting any direct or indirect transfers of the Company’s common stock that increase the direct or indirect ownership of the Company’s common stock by any Person (as defined in the Existing Charter) from less than 4.99% to 4.99% or more of the Company’s common stock, or increase the percentage of the Company’s common stock owned directly or indirectly by a Person owning or deemed to own 4.99% or more of the Company’s common stock (the “Extended Protective Amendment”).

On December 4, 2017, the Company filed Articles of Amendment with the Office of the Secretary of State of the State of Minnesota to effect these amendments.

As of December 31, 2017, there were approximately 7,500,000 authorized and 2,396,219 shares of common stock issued and outstanding, respectively, and 2,000,000 authorized and 546,466 shares of Series B Stock issued and outstanding, respectively.