Receivables
 12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Note 4 — Receivables
 
Accounts and royalties receivable, net consisted of the following:
 
 
 
December 31,
 
December 31,
 
 
 
2014
 
2013
 
Trade receivables
 
$
609,179
 
$
2,449,199
 
Other receivables
 
 
1,312,617
 
 
1,493,979
 
 
 
 
1,921,796
 
 
3,943,178
 
 
 
 
 
 
 
 
 
Less allowance for doubtful accounts
 
 
(32,469)
 
 
(16,497)
 
 
 
$
1,889,327
 
$
3,926,681
 
 
Other receivables consist primarily of royalties and transition service fees due from Arthrex and the cost of raw materials needed to manufacture the Angel products that are sourced by the Company and immediately resold, at cost, to the contract manufacturer.
 
The following table reflects the approximate change in allowance for doubtful accounts.
 
 
 
Balance at
 
Charged to
 
 
 
Balance at
 
 
 
Beginning of
 
Costs and
 
Balances
 
End of
 
 
 
Period
 
Expenses
 
charged-off
 
Period
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
 
$
16,497
 
$
31,773
 
$
(15,801)
 
$
32,469
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2013
 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
 
$
42,709
 
$
75,166
 
$
(101,378)
 
$
16,497