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Name	Size	Last Modified
0001104659-12-007415-index-headers.html		2012-02-07 17:07:55
0001104659-12-007415-index.html		2012-02-07 17:07:55
0001104659-12-007415.txt		2012-02-07 17:07:55
0001104659-12-007415-xbrl.zip	78995	2012-02-07 17:07:55
a11-30823_110q.htm	928083	2012-02-07 17:07:55
a11-30823_1ex31d1.htm	9146	2012-02-07 17:07:55
a11-30823_1ex31d2.htm	9181	2012-02-07 17:07:55
a11-30823_1ex32d1.htm	4892	2012-02-07 17:07:55
a11-30823_1ex32d2.htm	4935	2012-02-07 17:07:55
FilingSummary.xml	9452	2012-02-07 17:07:55
Financial_Report.xls	405926	2012-02-07 17:07:55
hdy-20111231.xml	439713	2012-02-07 17:07:55
hdy-20111231.xsd	23752	2012-02-07 17:07:55
hdy-20111231_cal.xml	47748	2012-02-07 17:07:55
hdy-20111231_def.xml	122847	2012-02-07 17:07:55
hdy-20111231_lab.xml	383811	2012-02-07 17:07:55
hdy-20111231_pre.xml	168153	2012-02-07 17:07:55
R1.htm	29291	2012-02-07 17:07:55
R10.htm	18136	2012-02-07 17:07:55
R11.htm	34217	2012-02-07 17:07:55
R12.htm	10285	2012-02-07 17:07:55
R13.htm	22420	2012-02-07 17:07:55
R14.htm	170257	2012-02-07 17:07:55
R15.htm	24405	2012-02-07 17:07:55
R16.htm	25082	2012-02-07 17:07:55
R17.htm	6633	2012-02-07 17:07:55
R2.htm	104831	2012-02-07 17:07:55
R3.htm	32591	2012-02-07 17:07:55
R4.htm	48968	2012-02-07 17:07:55
R5.htm	78525	2012-02-07 17:07:55
R6.htm	114463	2012-02-07 17:07:55
R7.htm	6013	2012-02-07 17:07:55
R8.htm	81713	2012-02-07 17:07:55
R9.htm	21453	2012-02-07 17:07:55
report.css	2721	2012-02-07 17:07:55
Show.js	6423	2012-02-07 17:07:55