[_]

Rule 13d-1(b)

[_]

Rule 13d-1(c)

x

Rule 13d-1(d)

CUSIP No. 595072 1 09

13G

Page 2 of 5 Pages

1.

NAME OF REPORTING PERSONS

2.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)

[_]

(b)

[_]

3.

SEC USE ONLY

4.

CITIZENSHIP OR PLACE OF ORGANIZATION

NUMBER OF

5.

SOLE VOTING POWER

SHARES

1,525,921

BENEFICIALLY

6.

SHARED VOTING POWER

OWNED BY

276,045

EACH

7.

SOLE DISPOSITIVE POWER

REPORTING

1,525,921

PERSON

8.

SHARED DISPOSITIVE POWER

WITH

276,045

9.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

10.

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [-] (SEE INSTRUCTIONS)

11.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

12.

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

CUSIP No. 595072 1 09

13G

Page 3 of 5 Pages

Item 1(a).

Name of Issuer:

Item 1(b).

Address of Issuer's Principal Executive Offices:

Item 2(a).

Name of Person Filing:

Item 2(b).

Address of Principal Business Office, or if None, Residence:

Item 2(c).

Citizenship:

Item 2(d).

Title of Class of Securities:

Item 2(e).

CUSIP Number:

Item 3.

If this Statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

(a)

[_]

Broker or dealer registered under Section 15 of the Exchange Act.

(b)

[_]

Bank as defined in Section 3(a)(6) of the Exchange Act.

(c)

[_]

Insurance company as defined in Section 3(a)(19) of the Exchange Act.

(d)

[_]

Investment company registered under Section 8 of the Investment Company Act.

(e)

[_]

An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f)

[_]

An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F).

(g)

[_]

A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G).

(h)

[_]

A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act.

(i)

[_]

A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act.

(j)

[_]

Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

CUSIP No. 595072 1 09

13G

Page 4 of 5 Pages

Item 4.

Ownership.

(a)

Amount beneficially owned:

1,801,966

Of such 1,801,966 shares of Common Stock (i) the reporting person is the direct beneficial owner of 1,146,521 shares of Common Stock and 195,000 shares of Common Stock issuable upon the exercise of options which will have vested by February 29, 2008; (ii) the reporting person is the indirect beneficial owner of 92,200 shares of Common Stock directly beneficially owned by the Lauren Elizabeth Harder Trust, of which the reporting person's daughter, Lauren Elizabeth Harder, is the sole beneficiary and over which shares the reporting person retains sole voting and investment power as the sole trustee of such Trust; (iii) the reporting person is the indirect beneficial owner of 92,200 shares of Common Stock directly beneficially owned by the Ashley Jane Harder Trust, of which the reporting person's daughter, Ashley Jane Harder, is the sole beneficiary and over which shares the reporting person retains sole voting and investment power as the sole trustee of such Trust; and (iv) the reporting person is the indirect beneficial owner of 276,045 shares of Common Stock directly beneficially owned by Entrepreneurial Ventures, Inc. ("EVI") and over which shares the reporting person retains shared voting and investment power through his ownership in, and position as President and Director of, EVI.

(b)

Percent of class:     Approximately 12.7% (2)

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote:

1,525,921

(ii)

Shared power to vote or to direct the vote:

276,045

(iii)

Sole power to dispose or to direct the disposition of:

1,525,921

(iv)

Shared power to dispose or to direct the disposition of:

276,045

Item 5.

Ownership of Five Percent or Less of a Class.

Item 6.

Ownership of More Than Five Percent on Behalf of Another Person.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Item 8.

Identification and Classification of Members of the Group.

Item 9.

Notice of Dissolution of Group.

Item 10.

Certifications.

CUSIP No. 595072 1 09

13G

Page 5 of 5 Pages