I don't think they are a scam network.
I've withdrawn 4 times from them.
The only problem is that earnings are lowering by day I think.
On 2016-03-26
16 Clicks - 446 Impressions - 0.00119383 BTC
On 2016-04-04
48 Clicks - 4,088 Impressions - 0.00036379 BTC