September 30, 2012

Amortized Cost

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Fair Value

Cash & Cash
Equivalents

Short-Term
Investments

Long-Term
Investments

Cash and cash equivalents:

Cash

$

12,832,100

$

—

$

—

$

12,832,100

$

12,832,100

$

—

$

—

Money Market funds

1,932,299

1,932,299

1,932,299

Subtotal

14,764,399

—

—

14,764,399

14,764,399

—

—

Investments:

Certificates of deposit

12,064,679

4,720

(3,573

)

12,065,826

11,166,760

899,066

Corporate Notes/Bonds

6,868,754

27,956

(703

)

6,896,007

731,926

6,164,081

Municipal Notes/Bonds

1,002,769

(2,339

)

1,000,430

1,000,430

Commercial Paper

1,635,183

5,030

—

1,640,213

1,640,213

Subtotal

21,571,385

37,706

(6,615

)

21,602,476

—

14,539,329

7,063,147

Total

$

36,335,784

$

37,706

$

(6,615

)

$

36,366,875

$

14,764,399

$

14,539,329

$

7,063,147

December 31, 2011

Amortized Cost

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Fair Value

Cash & Cash
Equivalents

Short-Term
Investments

Long-Term
Investments

Cash and cash equivalents:

Cash

$

21,685,829

$

—

$

—

$

21,685,829

$

21,685,829

$

—

$

—

Money Market funds

829,881

829,881

829,881

Subtotal

22,515,710

—

—

22,515,710

22,515,710

—

—

Investments:

Certificates of deposit

23,527,506

8,213

(16,608

)

23,519,111

18,635,601

4,883,510

Subtotal

23,527,506

8,213

(16,608

)

23,519,111

—

18,635,601

4,883,510

Total

$

46,043,216

$

8,213

$

(16,608

)

$

46,034,821

$

22,515,710

$

18,635,601

$

4,883,510