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FORM 10-K
EXHIBIT 13
EXHIBIT 21
EXHIBIT 31.1
EXHIBIT 31.2
EXHIBIT 32
EXHIBIT 99.2
EXHIBIT 101.INS
EXHIBIT 101.SCH
EXHIBIT 101.CAL
EXHIBIT 101.DEF
EXHIBIT 101.LAB
EXHIBIT 101.PRE
Note 15 - Commitments and Contingencies (Details Textual)
12 Months Ended
Dec. 31, 2016
Expiration Period Of Letter Of Credit Issued
1 year