Accrued Expenses

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

4. Accrued Expenses

Accrued expenses consist of the following:

	2014		2013
Accrued payroll and employee benefits	$	208,252	$	185,937
Accrued bonus expense		300,008		251,700
Accrued vacation expense		319,118		267,080
Accrued hair collection expense		147,787		119,587
Accrued audit and tax consulting		104,615		144,018
Accrued payable for equipment purchases		—		1,161,255
Accrued payable for building maintenance		85,283		142,340
Other accrued expenses		186,270		176,003
Total Accrued Expenses	$	1,351,333	$	2,447,920